63881740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 145156032

約数和(自身を除く): 81274292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 887, 1108, 1385, 1774, 2770, 3548, 3601, 4435, 5540, 7202, 8870, 11531, 14404, 17740, 18005, 23062, 36010, 46124, 57655, 72020, 115310, 230620, 245699, 491398, 982796, 1228495, 2456990, 3194087, 4913980, 6388174, 12776348, 15970435, 31940870, 63881740]

約数ペア:

[(1, 63881740), (2, 31940870), (4, 15970435), (5, 12776348), (10, 6388174), (13, 4913980), (20, 3194087), (26, 2456990), (52, 1228495), (65, 982796), (130, 491398), (260, 245699), (277, 230620), (554, 115310), (887, 72020), (1108, 57655), (1385, 46124), (1774, 36010), (2770, 23062), (3548, 18005), (3601, 17740), (4435, 14404), (5540, 11531), (7202, 8870)]