8499920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 23248512

約数和(自身を除く): 14748592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 743, 880, 1040, 1144, 1430, 1486, 2288, 2860, 2972, 3715, 5720, 5944, 7430, 8173, 9659, 11440, 11888, 14860, 16346, 19318, 29720, 32692, 38636, 40865, 48295, 59440, 65384, 77272, 81730, 96590, 106249, 130768, 154544, 163460, 193180, 212498, 326920, 386360, 424996, 531245, 653840, 772720, 849992, 1062490, 1699984, 2124980, 4249960, 8499920]

約数ペア:

[(1, 8499920), (2, 4249960), (4, 2124980), (5, 1699984), (8, 1062490), (10, 849992), (11, 772720), (13, 653840), (16, 531245), (20, 424996), (22, 386360), (26, 326920), (40, 212498), (44, 193180), (52, 163460), (55, 154544), (65, 130768), (80, 106249), (88, 96590), (104, 81730), (110, 77272), (130, 65384), (143, 59440), (176, 48295), (208, 40865), (220, 38636), (260, 32692), (286, 29720), (440, 19318), (520, 16346), (572, 14860), (715, 11888), (743, 11440), (880, 9659), (1040, 8173), (1144, 7430), (1430, 5944), (1486, 5720), (2288, 3715), (2860, 2972)]