63980020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 151998336

約数和(自身を除く): 88018316

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 823, 845, 1196, 1495, 1646, 1690, 2990, 3292, 3380, 3887, 4115, 5980, 7774, 8230, 10699, 15548, 16460, 18929, 19435, 21398, 37858, 38870, 42796, 53495, 75716, 77740, 94645, 106990, 139087, 189290, 213980, 246077, 278174, 378580, 492154, 556348, 695435, 984308, 1230385, 1390870, 2460770, 2781740, 3199001, 4921540, 6398002, 12796004, 15995005, 31990010, 63980020]

約数ペア:

[(1, 63980020), (2, 31990010), (4, 15995005), (5, 12796004), (10, 6398002), (13, 4921540), (20, 3199001), (23, 2781740), (26, 2460770), (46, 1390870), (52, 1230385), (65, 984308), (92, 695435), (115, 556348), (130, 492154), (169, 378580), (230, 278174), (260, 246077), (299, 213980), (338, 189290), (460, 139087), (598, 106990), (676, 94645), (823, 77740), (845, 75716), (1196, 53495), (1495, 42796), (1646, 38870), (1690, 37858), (2990, 21398), (3292, 19435), (3380, 18929), (3887, 16460), (4115, 15548), (5980, 10699), (7774, 8230)]