52840840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 128842560

約数和(自身を除く): 76001720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 331, 520, 614, 662, 1228, 1324, 1535, 1655, 2456, 2648, 3070, 3310, 3991, 4303, 6140, 6620, 7982, 8606, 12280, 13240, 15964, 17212, 19955, 21515, 31928, 34424, 39910, 43030, 79820, 86060, 101617, 159640, 172120, 203234, 406468, 508085, 812936, 1016170, 1321021, 2032340, 2642042, 4064680, 5284084, 6605105, 10568168, 13210210, 26420420, 52840840]

約数ペア:

[(1, 52840840), (2, 26420420), (4, 13210210), (5, 10568168), (8, 6605105), (10, 5284084), (13, 4064680), (20, 2642042), (26, 2032340), (40, 1321021), (52, 1016170), (65, 812936), (104, 508085), (130, 406468), (260, 203234), (307, 172120), (331, 159640), (520, 101617), (614, 86060), (662, 79820), (1228, 43030), (1324, 39910), (1535, 34424), (1655, 31928), (2456, 21515), (2648, 19955), (3070, 17212), (3310, 15964), (3991, 13240), (4303, 12280), (6140, 8606), (6620, 7982)]