8680932020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{941}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 19803522816

約数和(自身を除く): 11122590796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 631, 731, 860, 941, 1262, 1462, 1882, 2524, 2924, 3155, 3655, 3764, 4705, 6310, 7310, 9410, 10727, 12620, 14620, 15997, 18820, 21454, 27133, 31994, 40463, 42908, 53635, 54266, 63988, 79985, 80926, 107270, 108532, 135665, 159970, 161852, 202315, 214540, 271330, 319940, 404630, 461261, 542660, 593771, 687871, 809260, 922522, 1187542, 1375742, 1845044, 2306305, 2375084, 2751484, 2968855, 3439355, 4612610, 5937710, 6878710, 9225220, 10094107, 11875420, 13757420, 20188214, 25532153, 40376428, 50470535, 51064306, 100941070, 102128612, 127660765, 201882140, 255321530, 434046601, 510643060, 868093202, 1736186404, 2170233005, 4340466010, 8680932020]

約数ペア:

[(1, 8680932020), (2, 4340466010), (4, 2170233005), (5, 1736186404), (10, 868093202), (17, 510643060), (20, 434046601), (34, 255321530), (43, 201882140), (68, 127660765), (85, 102128612), (86, 100941070), (170, 51064306), (172, 50470535), (215, 40376428), (340, 25532153), (430, 20188214), (631, 13757420), (731, 11875420), (860, 10094107), (941, 9225220), (1262, 6878710), (1462, 5937710), (1882, 4612610), (2524, 3439355), (2924, 2968855), (3155, 2751484), (3655, 2375084), (3764, 2306305), (4705, 1845044), (6310, 1375742), (7310, 1187542), (9410, 922522), (10727, 809260), (12620, 687871), (14620, 593771), (15997, 542660), (18820, 461261), (21454, 404630), (27133, 319940), (31994, 271330), (40463, 214540), (42908, 202315), (53635, 161852), (54266, 159970), (63988, 135665), (79985, 108532), (80926, 107270)]