126316840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{577}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 307334160

約数和(自身を除く): 181017320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 577, 842, 1154, 1684, 2105, 2308, 2885, 3368, 4210, 4616, 5473, 5770, 7501, 8420, 10946, 11540, 15002, 16840, 21892, 23080, 27365, 30004, 37505, 43784, 54730, 60008, 75010, 109460, 150020, 218920, 242917, 300040, 485834, 971668, 1214585, 1943336, 2429170, 3157921, 4858340, 6315842, 9716680, 12631684, 15789605, 25263368, 31579210, 63158420, 126316840]

約数ペア:

[(1, 126316840), (2, 63158420), (4, 31579210), (5, 25263368), (8, 15789605), (10, 12631684), (13, 9716680), (20, 6315842), (26, 4858340), (40, 3157921), (52, 2429170), (65, 1943336), (104, 1214585), (130, 971668), (260, 485834), (421, 300040), (520, 242917), (577, 218920), (842, 150020), (1154, 109460), (1684, 75010), (2105, 60008), (2308, 54730), (2885, 43784), (3368, 37505), (4210, 30004), (4616, 27365), (5473, 23080), (5770, 21892), (7501, 16840), (8420, 15002), (10946, 11540)]