1640201056

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{6151}}^1$

素因数の和:6815

約数の個数: 48

約数和(自身を含む): 3483533088

約数和(自身を除く): 1843332032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 641, 1282, 2564, 5128, 6151, 8333, 10256, 12302, 16666, 20512, 24604, 33332, 49208, 66664, 79963, 98416, 133328, 159926, 196832, 266656, 319852, 639704, 1279408, 2558816, 3942791, 7885582, 15771164, 31542328, 51256283, 63084656, 102512566, 126169312, 205025132, 410050264, 820100528, 1640201056]

約数ペア:

[(1, 1640201056), (2, 820100528), (4, 410050264), (8, 205025132), (13, 126169312), (16, 102512566), (26, 63084656), (32, 51256283), (52, 31542328), (104, 15771164), (208, 7885582), (416, 3942791), (641, 2558816), (1282, 1279408), (2564, 639704), (5128, 319852), (6151, 266656), (8333, 196832), (10256, 159926), (12302, 133328), (16666, 98416), (20512, 79963), (24604, 66664), (33332, 49208)]