4220320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2029}}^1$

素因数の和:2057

約数の個数: 48

約数和(自身を含む): 10742760

約数和(自身を除く): 6522440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2029, 2080, 4058, 8116, 10145, 16232, 20290, 26377, 32464, 40580, 52754, 64928, 81160, 105508, 131885, 162320, 211016, 263770, 324640, 422032, 527540, 844064, 1055080, 2110160, 4220320]

約数ペア:

[(1, 4220320), (2, 2110160), (4, 1055080), (5, 844064), (8, 527540), (10, 422032), (13, 324640), (16, 263770), (20, 211016), (26, 162320), (32, 131885), (40, 105508), (52, 81160), (65, 64928), (80, 52754), (104, 40580), (130, 32464), (160, 26377), (208, 20290), (260, 16232), (416, 10145), (520, 8116), (1040, 4058), (2029, 2080)]