31940870

素因数分解:

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

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 62209728

約数和(自身を除く): 30268858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 887, 1385, 1774, 2770, 3601, 4435, 7202, 8870, 11531, 18005, 23062, 36010, 57655, 115310, 245699, 491398, 1228495, 2456990, 3194087, 6388174, 15970435, 31940870]

約数ペア:

[(1, 31940870), (2, 15970435), (5, 6388174), (10, 3194087), (13, 2456990), (26, 1228495), (65, 491398), (130, 245699), (277, 115310), (554, 57655), (887, 36010), (1385, 23062), (1774, 18005), (2770, 11531), (3601, 8870), (4435, 7202)]