30986020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3221}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 71992368

約数和(自身を除く): 41006348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 3221, 4810, 6442, 9620, 12884, 16105, 32210, 41873, 64420, 83746, 119177, 167492, 209365, 238354, 418730, 476708, 595885, 837460, 1191770, 1549301, 2383540, 3098602, 6197204, 7746505, 15493010, 30986020]

約数ペア:

[(1, 30986020), (2, 15493010), (4, 7746505), (5, 6197204), (10, 3098602), (13, 2383540), (20, 1549301), (26, 1191770), (37, 837460), (52, 595885), (65, 476708), (74, 418730), (130, 238354), (148, 209365), (185, 167492), (260, 119177), (370, 83746), (481, 64420), (740, 41873), (962, 32210), (1924, 16105), (2405, 12884), (3221, 9620), (4810, 6442)]