42731020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^3$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 94945536

約数和(自身を除く): 52214516

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 1681, 2542, 3362, 5084, 6355, 6724, 8405, 12710, 16810, 25420, 33620, 52111, 68921, 104222, 137842, 208444, 260555, 275684, 344605, 521110, 689210, 1042220, 1378420, 2136551, 4273102, 8546204, 10682755, 21365510, 42731020]

約数ペア:

[(1, 42731020), (2, 21365510), (4, 10682755), (5, 8546204), (10, 4273102), (20, 2136551), (31, 1378420), (41, 1042220), (62, 689210), (82, 521110), (124, 344605), (155, 275684), (164, 260555), (205, 208444), (310, 137842), (410, 104222), (620, 68921), (820, 52111), (1271, 33620), (1681, 25420), (2542, 16810), (3362, 12710), (5084, 8405), (6355, 6724)]