42520720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 108832320

約数和(自身を除く): 66311600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 229, 422, 440, 458, 844, 880, 916, 1055, 1145, 1688, 1832, 2110, 2290, 2321, 2519, 3376, 3664, 4220, 4580, 4642, 5038, 8440, 9160, 9284, 10076, 11605, 12595, 16880, 18320, 18568, 20152, 23210, 25190, 37136, 40304, 46420, 48319, 50380, 92840, 96638, 100760, 185680, 193276, 201520, 241595, 386552, 483190, 531509, 773104, 966380, 1063018, 1932760, 2126036, 2657545, 3865520, 4252072, 5315090, 8504144, 10630180, 21260360, 42520720]

約数ペア:

[(1, 42520720), (2, 21260360), (4, 10630180), (5, 8504144), (8, 5315090), (10, 4252072), (11, 3865520), (16, 2657545), (20, 2126036), (22, 1932760), (40, 1063018), (44, 966380), (55, 773104), (80, 531509), (88, 483190), (110, 386552), (176, 241595), (211, 201520), (220, 193276), (229, 185680), (422, 100760), (440, 96638), (458, 92840), (844, 50380), (880, 48319), (916, 46420), (1055, 40304), (1145, 37136), (1688, 25190), (1832, 23210), (2110, 20152), (2290, 18568), (2321, 18320), (2519, 16880), (3376, 12595), (3664, 11605), (4220, 10076), (4580, 9284), (4642, 9160), (5038, 8440)]