7864120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 19686240

約数和(自身を除く): 11822120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 293, 305, 440, 488, 586, 610, 671, 1172, 1220, 1342, 1465, 2344, 2440, 2684, 2930, 3223, 3355, 5368, 5860, 6446, 6710, 11720, 12892, 13420, 16115, 17873, 25784, 26840, 32230, 35746, 64460, 71492, 89365, 128920, 142984, 178730, 196603, 357460, 393206, 714920, 786412, 983015, 1572824, 1966030, 3932060, 7864120]

約数ペア:

[(1, 7864120), (2, 3932060), (4, 1966030), (5, 1572824), (8, 983015), (10, 786412), (11, 714920), (20, 393206), (22, 357460), (40, 196603), (44, 178730), (55, 142984), (61, 128920), (88, 89365), (110, 71492), (122, 64460), (220, 35746), (244, 32230), (293, 26840), (305, 25784), (440, 17873), (488, 16115), (586, 13420), (610, 12892), (671, 11720), (1172, 6710), (1220, 6446), (1342, 5860), (1465, 5368), (2344, 3355), (2440, 3223), (2684, 2930)]