65499460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13259}}^1$

素因数の和:13300

約数の個数: 48

約数和(自身を含む): 155937600

約数和(自身を除く): 90438140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13259, 26518, 53036, 66295, 132590, 172367, 251921, 265180, 344734, 503842, 689468, 861835, 1007684, 1259605, 1723670, 2519210, 3274973, 3447340, 5038420, 6549946, 13099892, 16374865, 32749730, 65499460]

約数ペア:

[(1, 65499460), (2, 32749730), (4, 16374865), (5, 13099892), (10, 6549946), (13, 5038420), (19, 3447340), (20, 3274973), (26, 2519210), (38, 1723670), (52, 1259605), (65, 1007684), (76, 861835), (95, 689468), (130, 503842), (190, 344734), (247, 265180), (260, 251921), (380, 172367), (494, 132590), (988, 66295), (1235, 53036), (2470, 26518), (4940, 13259)]