87900020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{14699}}^1$

素因数の和:14744

約数の個数: 48

約数和(自身を含む): 207446400

約数和(自身を除く): 119546380

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 14699, 29398, 58796, 73495, 146990, 191087, 293980, 338077, 382174, 676154, 764348, 955435, 1352308, 1690385, 1910870, 3380770, 3821740, 4395001, 6761540, 8790002, 17580004, 21975005, 43950010, 87900020]

約数ペア:

[(1, 87900020), (2, 43950010), (4, 21975005), (5, 17580004), (10, 8790002), (13, 6761540), (20, 4395001), (23, 3821740), (26, 3380770), (46, 1910870), (52, 1690385), (65, 1352308), (92, 955435), (115, 764348), (130, 676154), (230, 382174), (260, 338077), (299, 293980), (460, 191087), (598, 146990), (1196, 73495), (1495, 58796), (2990, 29398), (5980, 14699)]