2578160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 6728736

約数和(自身を除く): 4150576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 67, 74, 80, 104, 130, 134, 148, 185, 208, 260, 268, 296, 335, 370, 481, 520, 536, 592, 670, 740, 871, 962, 1040, 1072, 1340, 1480, 1742, 1924, 2405, 2479, 2680, 2960, 3484, 3848, 4355, 4810, 4958, 5360, 6968, 7696, 8710, 9620, 9916, 12395, 13936, 17420, 19240, 19832, 24790, 32227, 34840, 38480, 39664, 49580, 64454, 69680, 99160, 128908, 161135, 198320, 257816, 322270, 515632, 644540, 1289080, 2578160]

約数ペア:

[(1, 2578160), (2, 1289080), (4, 644540), (5, 515632), (8, 322270), (10, 257816), (13, 198320), (16, 161135), (20, 128908), (26, 99160), (37, 69680), (40, 64454), (52, 49580), (65, 39664), (67, 38480), (74, 34840), (80, 32227), (104, 24790), (130, 19832), (134, 19240), (148, 17420), (185, 13936), (208, 12395), (260, 9916), (268, 9620), (296, 8710), (335, 7696), (370, 6968), (481, 5360), (520, 4958), (536, 4810), (592, 4355), (670, 3848), (740, 3484), (871, 2960), (962, 2680), (1040, 2479), (1072, 2405), (1340, 1924), (1480, 1742)]