31361237120

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{190669}}^1$

素因数の和:190945

約数の個数: 64

約数和(自身を含む): 75265075800

約数和(自身を除く): 43903838680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 514, 640, 1028, 1285, 2056, 2570, 4112, 5140, 8224, 10280, 16448, 20560, 32896, 41120, 82240, 164480, 190669, 381338, 762676, 953345, 1525352, 1906690, 3050704, 3813380, 6101408, 7626760, 12202816, 15253520, 24405632, 30507040, 49001933, 61014080, 98003866, 122028160, 196007732, 245009665, 392015464, 490019330, 784030928, 980038660, 1568061856, 1960077320, 3136123712, 3920154640, 6272247424, 7840309280, 15680618560, 31361237120]

約数ペア:

[(1, 31361237120), (2, 15680618560), (4, 7840309280), (5, 6272247424), (8, 3920154640), (10, 3136123712), (16, 1960077320), (20, 1568061856), (32, 980038660), (40, 784030928), (64, 490019330), (80, 392015464), (128, 245009665), (160, 196007732), (257, 122028160), (320, 98003866), (514, 61014080), (640, 49001933), (1028, 30507040), (1285, 24405632), (2056, 15253520), (2570, 12202816), (4112, 7626760), (5140, 6101408), (8224, 3813380), (10280, 3050704), (16448, 1906690), (20560, 1525352), (32896, 953345), (41120, 762676), (82240, 381338), (164480, 190669)]