31308560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23021}}^1$

素因数の和:23051

約数の個数: 40

約数和(自身を含む): 77077656

約数和(自身を除く): 45769096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23021, 46042, 92084, 115105, 184168, 230210, 368336, 391357, 460420, 782714, 920840, 1565428, 1841680, 1956785, 3130856, 3913570, 6261712, 7827140, 15654280, 31308560]

約数ペア:

[(1, 31308560), (2, 15654280), (4, 7827140), (5, 6261712), (8, 3913570), (10, 3130856), (16, 1956785), (17, 1841680), (20, 1565428), (34, 920840), (40, 782714), (68, 460420), (80, 391357), (85, 368336), (136, 230210), (170, 184168), (272, 115105), (340, 92084), (680, 46042), (1360, 23021)]