64884550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1105

約数の個数: 48

約数和(自身を含む): 127741824

約数和(自身を除く): 62857274

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1021, 1025, 1271, 1550, 2042, 2050, 2542, 5105, 6355, 10210, 12710, 25525, 31651, 31775, 41861, 51050, 63302, 63550, 83722, 158255, 209305, 316510, 418610, 791275, 1046525, 1297691, 1582550, 2093050, 2595382, 6488455, 12976910, 32442275, 64884550]

約数ペア:

[(1, 64884550), (2, 32442275), (5, 12976910), (10, 6488455), (25, 2595382), (31, 2093050), (41, 1582550), (50, 1297691), (62, 1046525), (82, 791275), (155, 418610), (205, 316510), (310, 209305), (410, 158255), (775, 83722), (1021, 63550), (1025, 63302), (1271, 51050), (1550, 41861), (2042, 31775), (2050, 31651), (2542, 25525), (5105, 12710), (6355, 10210)]