23888540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 54495840

約数和(自身を除く): 30607300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 661, 695, 1322, 1390, 1807, 2644, 2780, 3305, 3614, 6610, 7228, 8593, 9035, 13220, 17186, 18070, 34372, 36140, 42965, 85930, 91879, 171860, 183758, 367516, 459395, 918790, 1194427, 1837580, 2388854, 4777708, 5972135, 11944270, 23888540]

約数ペア:

[(1, 23888540), (2, 11944270), (4, 5972135), (5, 4777708), (10, 2388854), (13, 1837580), (20, 1194427), (26, 918790), (52, 459395), (65, 367516), (130, 183758), (139, 171860), (260, 91879), (278, 85930), (556, 42965), (661, 36140), (695, 34372), (1322, 18070), (1390, 17186), (1807, 13220), (2644, 9035), (2780, 8593), (3305, 7228), (3614, 6610)]