51428260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 116960256

約数和(自身を除く): 65531996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 887, 892, 1115, 1774, 2230, 2899, 3548, 4435, 4460, 5798, 8870, 11531, 11596, 14495, 17740, 23062, 28990, 46124, 57655, 57980, 115310, 197801, 230620, 395602, 791204, 989005, 1978010, 2571413, 3956020, 5142826, 10285652, 12857065, 25714130, 51428260]

約数ペア:

[(1, 51428260), (2, 25714130), (4, 12857065), (5, 10285652), (10, 5142826), (13, 3956020), (20, 2571413), (26, 1978010), (52, 989005), (65, 791204), (130, 395602), (223, 230620), (260, 197801), (446, 115310), (887, 57980), (892, 57655), (1115, 46124), (1774, 28990), (2230, 23062), (2899, 17740), (3548, 14495), (4435, 11596), (4460, 11531), (5798, 8870)]