87964760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 214855200

約数和(自身を除く): 126890440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1217, 1390, 1807, 2434, 2780, 3614, 4868, 5560, 6085, 7228, 9035, 9736, 12170, 14456, 15821, 18070, 24340, 31642, 36140, 48680, 63284, 72280, 79105, 126568, 158210, 169163, 316420, 338326, 632840, 676652, 845815, 1353304, 1691630, 2199119, 3383260, 4398238, 6766520, 8796476, 10995595, 17592952, 21991190, 43982380, 87964760]

約数ペア:

[(1, 87964760), (2, 43982380), (4, 21991190), (5, 17592952), (8, 10995595), (10, 8796476), (13, 6766520), (20, 4398238), (26, 3383260), (40, 2199119), (52, 1691630), (65, 1353304), (104, 845815), (130, 676652), (139, 632840), (260, 338326), (278, 316420), (520, 169163), (556, 158210), (695, 126568), (1112, 79105), (1217, 72280), (1390, 63284), (1807, 48680), (2434, 36140), (2780, 31642), (3614, 24340), (4868, 18070), (5560, 15821), (6085, 14456), (7228, 12170), (9035, 9736)]