28580420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 65959488

約数和(自身を除く): 37379068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 797, 815, 1594, 1630, 1793, 3188, 3260, 3586, 3985, 7172, 7970, 8767, 8965, 15940, 17534, 17930, 35068, 35860, 43835, 87670, 129911, 175340, 259822, 519644, 649555, 1299110, 1429021, 2598220, 2858042, 5716084, 7145105, 14290210, 28580420]

約数ペア:

[(1, 28580420), (2, 14290210), (4, 7145105), (5, 5716084), (10, 2858042), (11, 2598220), (20, 1429021), (22, 1299110), (44, 649555), (55, 519644), (110, 259822), (163, 175340), (220, 129911), (326, 87670), (652, 43835), (797, 35860), (815, 35068), (1594, 17930), (1630, 17534), (1793, 15940), (3188, 8965), (3260, 8767), (3586, 7970), (3985, 7172)]