64216880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8821}}^1$

素因数の和:8854

約数の個数: 80

約数和(自身を含む): 183779904

約数和(自身を除く): 119563024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 8821, 17642, 35284, 44105, 61747, 70568, 88210, 114673, 123494, 141136, 176420, 229346, 246988, 308735, 352840, 458692, 493976, 573365, 617470, 705680, 802711, 917384, 987952, 1146730, 1234940, 1605422, 1834768, 2293460, 2469880, 3210844, 4013555, 4586920, 4939760, 6421688, 8027110, 9173840, 12843376, 16054220, 32108440, 64216880]

約数ペア:

[(1, 64216880), (2, 32108440), (4, 16054220), (5, 12843376), (7, 9173840), (8, 8027110), (10, 6421688), (13, 4939760), (14, 4586920), (16, 4013555), (20, 3210844), (26, 2469880), (28, 2293460), (35, 1834768), (40, 1605422), (52, 1234940), (56, 1146730), (65, 987952), (70, 917384), (80, 802711), (91, 705680), (104, 617470), (112, 573365), (130, 493976), (140, 458692), (182, 352840), (208, 308735), (260, 246988), (280, 229346), (364, 176420), (455, 141136), (520, 123494), (560, 114673), (728, 88210), (910, 70568), (1040, 61747), (1456, 44105), (1820, 35284), (3640, 17642), (7280, 8821)]