65448020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{571}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 150486336

約数和(自身を除く): 85038316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 521, 571, 1042, 1142, 2084, 2284, 2605, 2855, 5210, 5710, 5731, 6281, 10420, 11420, 11462, 12562, 22924, 25124, 28655, 31405, 57310, 62810, 114620, 125620, 297491, 594982, 1189964, 1487455, 2974910, 3272401, 5949820, 6544802, 13089604, 16362005, 32724010, 65448020]

約数ペア:

[(1, 65448020), (2, 32724010), (4, 16362005), (5, 13089604), (10, 6544802), (11, 5949820), (20, 3272401), (22, 2974910), (44, 1487455), (55, 1189964), (110, 594982), (220, 297491), (521, 125620), (571, 114620), (1042, 62810), (1142, 57310), (2084, 31405), (2284, 28655), (2605, 25124), (2855, 22924), (5210, 12562), (5710, 11462), (5731, 11420), (6281, 10420)]