40708960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 101056032

約数和(自身を除く): 60347072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 97, 122, 160, 172, 194, 215, 244, 305, 344, 388, 430, 485, 488, 610, 688, 776, 860, 970, 976, 1220, 1376, 1552, 1720, 1940, 1952, 2440, 2623, 3104, 3440, 3880, 4171, 4880, 5246, 5917, 6880, 7760, 8342, 9760, 10492, 11834, 13115, 15520, 16684, 20855, 20984, 23668, 26230, 29585, 33368, 41710, 41968, 47336, 52460, 59170, 66736, 83420, 83936, 94672, 104920, 118340, 133472, 166840, 189344, 209840, 236680, 254431, 333680, 419680, 473360, 508862, 667360, 946720, 1017724, 1272155, 2035448, 2544310, 4070896, 5088620, 8141792, 10177240, 20354480, 40708960]

約数ペア:

[(1, 40708960), (2, 20354480), (4, 10177240), (5, 8141792), (8, 5088620), (10, 4070896), (16, 2544310), (20, 2035448), (32, 1272155), (40, 1017724), (43, 946720), (61, 667360), (80, 508862), (86, 473360), (97, 419680), (122, 333680), (160, 254431), (172, 236680), (194, 209840), (215, 189344), (244, 166840), (305, 133472), (344, 118340), (388, 104920), (430, 94672), (485, 83936), (488, 83420), (610, 66736), (688, 59170), (776, 52460), (860, 47336), (970, 41968), (976, 41710), (1220, 33368), (1376, 29585), (1552, 26230), (1720, 23668), (1940, 20984), (1952, 20855), (2440, 16684), (2623, 15520), (3104, 13115), (3440, 11834), (3880, 10492), (4171, 9760), (4880, 8342), (5246, 7760), (5917, 6880)]