72040072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{977}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 145819800

約数和(自身を除く): 73779728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 709, 977, 1418, 1954, 2836, 3908, 5672, 7816, 9217, 12701, 18434, 25402, 36868, 50804, 73736, 101608, 692693, 1385386, 2770772, 5541544, 9005009, 18010018, 36020036, 72040072]

約数ペア:

[(1, 72040072), (2, 36020036), (4, 18010018), (8, 9005009), (13, 5541544), (26, 2770772), (52, 1385386), (104, 692693), (709, 101608), (977, 73736), (1418, 50804), (1954, 36868), (2836, 25402), (3908, 18434), (5672, 12701), (7816, 9217)]