126228640

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3739}}^1$

素因数の和:3965

約数の個数: 48

約数和(自身を含む): 299708640

約数和(自身を除く): 173480000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 3739, 4220, 6752, 7478, 8440, 14956, 16880, 18695, 29912, 33760, 37390, 59824, 74780, 119648, 149560, 299120, 598240, 788929, 1577858, 3155716, 3944645, 6311432, 7889290, 12622864, 15778580, 25245728, 31557160, 63114320, 126228640]

約数ペア:

[(1, 126228640), (2, 63114320), (4, 31557160), (5, 25245728), (8, 15778580), (10, 12622864), (16, 7889290), (20, 6311432), (32, 3944645), (40, 3155716), (80, 1577858), (160, 788929), (211, 598240), (422, 299120), (844, 149560), (1055, 119648), (1688, 74780), (2110, 59824), (3376, 37390), (3739, 33760), (4220, 29912), (6752, 18695), (7478, 16880), (8440, 14956)]