39699920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 61543600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 647, 767, 944, 1040, 1180, 1294, 1534, 2360, 2588, 3068, 3235, 3835, 4720, 5176, 6136, 6470, 7670, 8411, 10352, 12272, 12940, 15340, 16822, 25880, 30680, 33644, 38173, 42055, 51760, 61360, 67288, 76346, 84110, 134576, 152692, 168220, 190865, 305384, 336440, 381730, 496249, 610768, 672880, 763460, 992498, 1526920, 1984996, 2481245, 3053840, 3969992, 4962490, 7939984, 9924980, 19849960, 39699920]

約数ペア:

[(1, 39699920), (2, 19849960), (4, 9924980), (5, 7939984), (8, 4962490), (10, 3969992), (13, 3053840), (16, 2481245), (20, 1984996), (26, 1526920), (40, 992498), (52, 763460), (59, 672880), (65, 610768), (80, 496249), (104, 381730), (118, 336440), (130, 305384), (208, 190865), (236, 168220), (260, 152692), (295, 134576), (472, 84110), (520, 76346), (590, 67288), (647, 61360), (767, 51760), (944, 42055), (1040, 38173), (1180, 33644), (1294, 30680), (1534, 25880), (2360, 16822), (2588, 15340), (3068, 12940), (3235, 12272), (3835, 10352), (4720, 8411), (5176, 7670), (6136, 6470)]