28781740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4858

約数の個数: 48

約数和(自身を含む): 67935168

約数和(自身を除く): 39153428

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, 4813, 5980, 9626, 19252, 24065, 48130, 62569, 96260, 110699, 125138, 221398, 250276, 312845, 442796, 553495, 625690, 1106990, 1251380, 1439087, 2213980, 2878174, 5756348, 7195435, 14390870, 28781740]

約数ペア:

[(1, 28781740), (2, 14390870), (4, 7195435), (5, 5756348), (10, 2878174), (13, 2213980), (20, 1439087), (23, 1251380), (26, 1106990), (46, 625690), (52, 553495), (65, 442796), (92, 312845), (115, 250276), (130, 221398), (230, 125138), (260, 110699), (299, 96260), (460, 62569), (598, 48130), (1196, 24065), (1495, 19252), (2990, 9626), (4813, 5980)]