26420420

素因数分解:

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

素因数の和:660

約数の個数: 48

約数和(自身を含む): 60126528

約数和(自身を除く): 33706108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 331, 614, 662, 1228, 1324, 1535, 1655, 3070, 3310, 3991, 4303, 6140, 6620, 7982, 8606, 15964, 17212, 19955, 21515, 39910, 43030, 79820, 86060, 101617, 203234, 406468, 508085, 1016170, 1321021, 2032340, 2642042, 5284084, 6605105, 13210210, 26420420]

約数ペア:

[(1, 26420420), (2, 13210210), (4, 6605105), (5, 5284084), (10, 2642042), (13, 2032340), (20, 1321021), (26, 1016170), (52, 508085), (65, 406468), (130, 203234), (260, 101617), (307, 86060), (331, 79820), (614, 43030), (662, 39910), (1228, 21515), (1324, 19955), (1535, 17212), (1655, 15964), (3070, 8606), (3310, 7982), (3991, 6620), (4303, 6140)]