55157440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13259}}^1$

素因数の和:13289

約数の個数: 56

約数和(自身を含む): 141457680

約数和(自身を除く): 86300240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 13259, 26518, 53036, 66295, 106072, 132590, 172367, 212144, 265180, 344734, 424288, 530360, 689468, 848576, 861835, 1060720, 1378936, 1723670, 2121440, 2757872, 3447340, 4242880, 5515744, 6894680, 11031488, 13789360, 27578720, 55157440]

約数ペア:

[(1, 55157440), (2, 27578720), (4, 13789360), (5, 11031488), (8, 6894680), (10, 5515744), (13, 4242880), (16, 3447340), (20, 2757872), (26, 2121440), (32, 1723670), (40, 1378936), (52, 1060720), (64, 861835), (65, 848576), (80, 689468), (104, 530360), (130, 424288), (160, 344734), (208, 265180), (260, 212144), (320, 172367), (416, 132590), (520, 106072), (832, 66295), (1040, 53036), (2080, 26518), (4160, 13259)]