31798840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 76671360

約数和(自身を除く): 44872520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 463, 505, 680, 808, 926, 1010, 1717, 1852, 2020, 2315, 3434, 3704, 4040, 4630, 6868, 7871, 8585, 9260, 13736, 15742, 17170, 18520, 31484, 34340, 39355, 46763, 62968, 68680, 78710, 93526, 157420, 187052, 233815, 314840, 374104, 467630, 794971, 935260, 1589942, 1870520, 3179884, 3974855, 6359768, 7949710, 15899420, 31798840]

約数ペア:

[(1, 31798840), (2, 15899420), (4, 7949710), (5, 6359768), (8, 3974855), (10, 3179884), (17, 1870520), (20, 1589942), (34, 935260), (40, 794971), (68, 467630), (85, 374104), (101, 314840), (136, 233815), (170, 187052), (202, 157420), (340, 93526), (404, 78710), (463, 68680), (505, 62968), (680, 46763), (808, 39355), (926, 34340), (1010, 31484), (1717, 18520), (1852, 17170), (2020, 15742), (2315, 13736), (3434, 9260), (3704, 8585), (4040, 7871), (4630, 6868)]