9125780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11195500

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 359, 410, 620, 718, 820, 1271, 1436, 1795, 2542, 3590, 5084, 6355, 7180, 11129, 12710, 14719, 22258, 25420, 29438, 44516, 55645, 58876, 73595, 111290, 147190, 222580, 294380, 456289, 912578, 1825156, 2281445, 4562890, 9125780]

約数ペア:

[(1, 9125780), (2, 4562890), (4, 2281445), (5, 1825156), (10, 912578), (20, 456289), (31, 294380), (41, 222580), (62, 147190), (82, 111290), (124, 73595), (155, 58876), (164, 55645), (205, 44516), (310, 29438), (359, 25420), (410, 22258), (620, 14719), (718, 12710), (820, 11129), (1271, 7180), (1436, 6355), (1795, 5084), (2542, 3590)]