520077760

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3257}}^1$

素因数の和:3773

約数の個数: 56

約数和(自身を含む): 1241298000

約数和(自身を除く): 721220240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 998, 1996, 2495, 3257, 3992, 4990, 6514, 7984, 9980, 13028, 15968, 16285, 19960, 26056, 31936, 32570, 39920, 52112, 65140, 79840, 104224, 130280, 159680, 208448, 260560, 521120, 1042240, 1625243, 3250486, 6500972, 8126215, 13001944, 16252430, 26003888, 32504860, 52007776, 65009720, 104015552, 130019440, 260038880, 520077760]

約数ペア:

[(1, 520077760), (2, 260038880), (4, 130019440), (5, 104015552), (8, 65009720), (10, 52007776), (16, 32504860), (20, 26003888), (32, 16252430), (40, 13001944), (64, 8126215), (80, 6500972), (160, 3250486), (320, 1625243), (499, 1042240), (998, 521120), (1996, 260560), (2495, 208448), (3257, 159680), (3992, 130280), (4990, 104224), (6514, 79840), (7984, 65140), (9980, 52112), (13028, 39920), (15968, 32570), (16285, 31936), (19960, 26056)]