31934240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1181}}^1$

素因数の和:1222

約数の個数: 72

約数和(自身を含む): 81763668

約数和(自身を除く): 49829428

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1181, 1352, 1690, 2080, 2362, 2704, 3380, 4724, 5408, 5905, 6760, 9448, 11810, 13520, 15353, 18896, 23620, 27040, 30706, 37792, 47240, 61412, 76765, 94480, 122824, 153530, 188960, 199589, 245648, 307060, 399178, 491296, 614120, 798356, 997945, 1228240, 1596712, 1995890, 2456480, 3193424, 3991780, 6386848, 7983560, 15967120, 31934240]

約数ペア:

[(1, 31934240), (2, 15967120), (4, 7983560), (5, 6386848), (8, 3991780), (10, 3193424), (13, 2456480), (16, 1995890), (20, 1596712), (26, 1228240), (32, 997945), (40, 798356), (52, 614120), (65, 491296), (80, 399178), (104, 307060), (130, 245648), (160, 199589), (169, 188960), (208, 153530), (260, 122824), (338, 94480), (416, 76765), (520, 61412), (676, 47240), (845, 37792), (1040, 30706), (1181, 27040), (1352, 23620), (1690, 18896), (2080, 15353), (2362, 13520), (2704, 11810), (3380, 9448), (4724, 6760), (5408, 5905)]