66455960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 153709920

約数和(自身を除く): 87253960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 137, 181, 268, 274, 335, 362, 536, 548, 670, 685, 724, 905, 1096, 1340, 1370, 1448, 1810, 2680, 2740, 3620, 5480, 7240, 9179, 12127, 18358, 24254, 24797, 36716, 45895, 48508, 49594, 60635, 73432, 91790, 97016, 99188, 121270, 123985, 183580, 198376, 242540, 247970, 367160, 485080, 495940, 991880, 1661399, 3322798, 6645596, 8306995, 13291192, 16613990, 33227980, 66455960]

約数ペア:

[(1, 66455960), (2, 33227980), (4, 16613990), (5, 13291192), (8, 8306995), (10, 6645596), (20, 3322798), (40, 1661399), (67, 991880), (134, 495940), (137, 485080), (181, 367160), (268, 247970), (274, 242540), (335, 198376), (362, 183580), (536, 123985), (548, 121270), (670, 99188), (685, 97016), (724, 91790), (905, 73432), (1096, 60635), (1340, 49594), (1370, 48508), (1448, 45895), (1810, 36716), (2680, 24797), (2740, 24254), (3620, 18358), (5480, 12127), (7240, 9179)]