8071960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 21122640

約数和(自身を除く): 13050680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 65, 76, 86, 95, 104, 130, 152, 172, 190, 215, 247, 260, 344, 361, 380, 430, 494, 520, 559, 722, 760, 817, 860, 988, 1118, 1235, 1444, 1634, 1720, 1805, 1976, 2236, 2470, 2795, 2888, 3268, 3610, 4085, 4472, 4693, 4940, 5590, 6536, 7220, 8170, 9386, 9880, 10621, 11180, 14440, 15523, 16340, 18772, 21242, 22360, 23465, 31046, 32680, 37544, 42484, 46930, 53105, 62092, 77615, 84968, 93860, 106210, 124184, 155230, 187720, 201799, 212420, 310460, 403598, 424840, 620920, 807196, 1008995, 1614392, 2017990, 4035980, 8071960]

約数ペア:

[(1, 8071960), (2, 4035980), (4, 2017990), (5, 1614392), (8, 1008995), (10, 807196), (13, 620920), (19, 424840), (20, 403598), (26, 310460), (38, 212420), (40, 201799), (43, 187720), (52, 155230), (65, 124184), (76, 106210), (86, 93860), (95, 84968), (104, 77615), (130, 62092), (152, 53105), (172, 46930), (190, 42484), (215, 37544), (247, 32680), (260, 31046), (344, 23465), (361, 22360), (380, 21242), (430, 18772), (494, 16340), (520, 15523), (559, 14440), (722, 11180), (760, 10621), (817, 9880), (860, 9386), (988, 8170), (1118, 7220), (1235, 6536), (1444, 5590), (1634, 4940), (1720, 4693), (1805, 4472), (1976, 4085), (2236, 3610), (2470, 3268), (2795, 2888)]