28488440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 39551560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 599, 820, 1160, 1189, 1198, 1640, 2378, 2396, 2995, 4756, 4792, 5945, 5990, 9512, 11890, 11980, 17371, 23780, 23960, 24559, 34742, 47560, 49118, 69484, 86855, 98236, 122795, 138968, 173710, 196472, 245590, 347420, 491180, 694840, 712211, 982360, 1424422, 2848844, 3561055, 5697688, 7122110, 14244220, 28488440]

約数ペア:

[(1, 28488440), (2, 14244220), (4, 7122110), (5, 5697688), (8, 3561055), (10, 2848844), (20, 1424422), (29, 982360), (40, 712211), (41, 694840), (58, 491180), (82, 347420), (116, 245590), (145, 196472), (164, 173710), (205, 138968), (232, 122795), (290, 98236), (328, 86855), (410, 69484), (580, 49118), (599, 47560), (820, 34742), (1160, 24559), (1189, 23960), (1198, 23780), (1640, 17371), (2378, 11980), (2396, 11890), (2995, 9512), (4756, 5990), (4792, 5945)]