40020876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 123002880

約数和(自身を除く): 82982004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 47, 62, 63, 84, 93, 94, 109, 124, 126, 141, 186, 188, 217, 218, 252, 279, 282, 327, 329, 372, 423, 434, 436, 558, 564, 651, 654, 658, 763, 846, 868, 981, 987, 1116, 1302, 1308, 1316, 1457, 1526, 1692, 1953, 1962, 1974, 2289, 2604, 2914, 2961, 3052, 3379, 3906, 3924, 3948, 4371, 4578, 5123, 5828, 5922, 6758, 6867, 7812, 8742, 9156, 10137, 10199, 10246, 11844, 13113, 13516, 13734, 15369, 17484, 20274, 20398, 20492, 23653, 26226, 27468, 30411, 30597, 30738, 35861, 40548, 40796, 46107, 47306, 52452, 60822, 61194, 61476, 70959, 71722, 91791, 92214, 94612, 107583, 121644, 122388, 141918, 143444, 158813, 183582, 184428, 212877, 215166, 283836, 317626, 322749, 367164, 425754, 430332, 476439, 635252, 645498, 851508, 952878, 1111691, 1290996, 1429317, 1905756, 2223382, 2858634, 3335073, 4446764, 5717268, 6670146, 10005219, 13340292, 20010438, 40020876]

約数ペア:

[(1, 40020876), (2, 20010438), (3, 13340292), (4, 10005219), (6, 6670146), (7, 5717268), (9, 4446764), (12, 3335073), (14, 2858634), (18, 2223382), (21, 1905756), (28, 1429317), (31, 1290996), (36, 1111691), (42, 952878), (47, 851508), (62, 645498), (63, 635252), (84, 476439), (93, 430332), (94, 425754), (109, 367164), (124, 322749), (126, 317626), (141, 283836), (186, 215166), (188, 212877), (217, 184428), (218, 183582), (252, 158813), (279, 143444), (282, 141918), (327, 122388), (329, 121644), (372, 107583), (423, 94612), (434, 92214), (436, 91791), (558, 71722), (564, 70959), (651, 61476), (654, 61194), (658, 60822), (763, 52452), (846, 47306), (868, 46107), (981, 40796), (987, 40548), (1116, 35861), (1302, 30738), (1308, 30597), (1316, 30411), (1457, 27468), (1526, 26226), (1692, 23653), (1953, 20492), (1962, 20398), (1974, 20274), (2289, 17484), (2604, 15369), (2914, 13734), (2961, 13516), (3052, 13113), (3379, 11844), (3906, 10246), (3924, 10199), (3948, 10137), (4371, 9156), (4578, 8742), (5123, 7812), (5828, 6867), (5922, 6758)]