72985120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35089}}^1$

素因数の和:35117

約数の個数: 48

約数和(自身を含む): 185696280

約数和(自身を除く): 112711160

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, 2080, 35089, 70178, 140356, 175445, 280712, 350890, 456157, 561424, 701780, 912314, 1122848, 1403560, 1824628, 2280785, 2807120, 3649256, 4561570, 5614240, 7298512, 9123140, 14597024, 18246280, 36492560, 72985120]

約数ペア:

[(1, 72985120), (2, 36492560), (4, 18246280), (5, 14597024), (8, 9123140), (10, 7298512), (13, 5614240), (16, 4561570), (20, 3649256), (26, 2807120), (32, 2280785), (40, 1824628), (52, 1403560), (65, 1122848), (80, 912314), (104, 701780), (130, 561424), (160, 456157), (208, 350890), (260, 280712), (416, 175445), (520, 140356), (1040, 70178), (2080, 35089)]