65606840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 161300160

約数和(自身を除く): 95693320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1777, 1846, 2840, 3554, 3692, 4615, 7108, 7384, 8885, 9230, 14216, 17770, 18460, 23101, 35540, 36920, 46202, 71080, 92404, 115505, 126167, 184808, 231010, 252334, 462020, 504668, 630835, 924040, 1009336, 1261670, 1640171, 2523340, 3280342, 5046680, 6560684, 8200855, 13121368, 16401710, 32803420, 65606840]

約数ペア:

[(1, 65606840), (2, 32803420), (4, 16401710), (5, 13121368), (8, 8200855), (10, 6560684), (13, 5046680), (20, 3280342), (26, 2523340), (40, 1640171), (52, 1261670), (65, 1009336), (71, 924040), (104, 630835), (130, 504668), (142, 462020), (260, 252334), (284, 231010), (355, 184808), (520, 126167), (568, 115505), (710, 92404), (923, 71080), (1420, 46202), (1777, 36920), (1846, 35540), (2840, 23101), (3554, 18460), (3692, 17770), (4615, 14216), (7108, 9230), (7384, 8885)]