2018541520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{21221}}^1$

素因数の和:21304

約数の個数: 80

約数和(自身を含む): 4973587920

約数和(自身を除く): 2955046400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 820, 1160, 1189, 1640, 2320, 2378, 3280, 4756, 5945, 9512, 11890, 19024, 21221, 23780, 42442, 47560, 84884, 95120, 106105, 169768, 212210, 339536, 424420, 615409, 848840, 870061, 1230818, 1697680, 1740122, 2461636, 3077045, 3480244, 4350305, 4923272, 6154090, 6960488, 8700610, 9846544, 12308180, 13920976, 17401220, 24616360, 25231769, 34802440, 49232720, 50463538, 69604880, 100927076, 126158845, 201854152, 252317690, 403708304, 504635380, 1009270760, 2018541520]

約数ペア:

[(1, 2018541520), (2, 1009270760), (4, 504635380), (5, 403708304), (8, 252317690), (10, 201854152), (16, 126158845), (20, 100927076), (29, 69604880), (40, 50463538), (41, 49232720), (58, 34802440), (80, 25231769), (82, 24616360), (116, 17401220), (145, 13920976), (164, 12308180), (205, 9846544), (232, 8700610), (290, 6960488), (328, 6154090), (410, 4923272), (464, 4350305), (580, 3480244), (656, 3077045), (820, 2461636), (1160, 1740122), (1189, 1697680), (1640, 1230818), (2320, 870061), (2378, 848840), (3280, 615409), (4756, 424420), (5945, 339536), (9512, 212210), (11890, 169768), (19024, 106105), (21221, 95120), (23780, 84884), (42442, 47560)]