84261560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 111693640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 191, 205, 269, 328, 382, 410, 538, 764, 820, 955, 1076, 1345, 1528, 1640, 1910, 2152, 2690, 3820, 5380, 7640, 7831, 10760, 11029, 15662, 22058, 31324, 39155, 44116, 51379, 55145, 62648, 78310, 88232, 102758, 110290, 156620, 205516, 220580, 256895, 313240, 411032, 441160, 513790, 1027580, 2055160, 2106539, 4213078, 8426156, 10532695, 16852312, 21065390, 42130780, 84261560]

約数ペア:

[(1, 84261560), (2, 42130780), (4, 21065390), (5, 16852312), (8, 10532695), (10, 8426156), (20, 4213078), (40, 2106539), (41, 2055160), (82, 1027580), (164, 513790), (191, 441160), (205, 411032), (269, 313240), (328, 256895), (382, 220580), (410, 205516), (538, 156620), (764, 110290), (820, 102758), (955, 88232), (1076, 78310), (1345, 62648), (1528, 55145), (1640, 51379), (1910, 44116), (2152, 39155), (2690, 31324), (3820, 22058), (5380, 15662), (7640, 11029), (7831, 10760)]