425065520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1181}}^1$

素因数の和:1614

約数の個数: 80

約数和(自身を含む): 1081671840

約数和(自身を除く): 656606320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 409, 440, 818, 880, 1181, 1636, 2045, 2362, 3272, 4090, 4499, 4724, 5905, 6544, 8180, 8998, 9448, 11810, 12991, 16360, 17996, 18896, 22495, 23620, 25982, 32720, 35992, 44990, 47240, 51964, 64955, 71984, 89980, 94480, 103928, 129910, 179960, 207856, 259820, 359920, 483029, 519640, 966058, 1039280, 1932116, 2415145, 3864232, 4830290, 5313319, 7728464, 9660580, 10626638, 19321160, 21253276, 26566595, 38642320, 42506552, 53133190, 85013104, 106266380, 212532760, 425065520]

約数ペア:

[(1, 425065520), (2, 212532760), (4, 106266380), (5, 85013104), (8, 53133190), (10, 42506552), (11, 38642320), (16, 26566595), (20, 21253276), (22, 19321160), (40, 10626638), (44, 9660580), (55, 7728464), (80, 5313319), (88, 4830290), (110, 3864232), (176, 2415145), (220, 1932116), (409, 1039280), (440, 966058), (818, 519640), (880, 483029), (1181, 359920), (1636, 259820), (2045, 207856), (2362, 179960), (3272, 129910), (4090, 103928), (4499, 94480), (4724, 89980), (5905, 71984), (6544, 64955), (8180, 51964), (8998, 47240), (9448, 44990), (11810, 35992), (12991, 32720), (16360, 25982), (17996, 23620), (18896, 22495)]