64256020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3407}}^1$

素因数の和:3480

約数の個数: 48

約数和(自身を含む): 144281088

約数和(自身を除く): 80025068

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3407, 3772, 4715, 6814, 9430, 13628, 17035, 18860, 34070, 68140, 78361, 139687, 156722, 279374, 313444, 391805, 558748, 698435, 783610, 1396870, 1567220, 2793740, 3212801, 6425602, 12851204, 16064005, 32128010, 64256020]

約数ペア:

[(1, 64256020), (2, 32128010), (4, 16064005), (5, 12851204), (10, 6425602), (20, 3212801), (23, 2793740), (41, 1567220), (46, 1396870), (82, 783610), (92, 698435), (115, 558748), (164, 391805), (205, 313444), (230, 279374), (410, 156722), (460, 139687), (820, 78361), (943, 68140), (1886, 34070), (3407, 18860), (3772, 17035), (4715, 13628), (6814, 9430)]