49839920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2862

約数の個数: 80

約数和(自身を含む): 132179040

約数和(自身を除く): 82339120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 2819, 3536, 4420, 5638, 8840, 11276, 14095, 17680, 22552, 28190, 36647, 45104, 47923, 56380, 73294, 95846, 112760, 146588, 183235, 191692, 225520, 239615, 293176, 366470, 383384, 479230, 586352, 622999, 732940, 766768, 958460, 1245998, 1465880, 1916920, 2491996, 2931760, 3114995, 3833840, 4983992, 6229990, 9967984, 12459980, 24919960, 49839920]

約数ペア:

[(1, 49839920), (2, 24919960), (4, 12459980), (5, 9967984), (8, 6229990), (10, 4983992), (13, 3833840), (16, 3114995), (17, 2931760), (20, 2491996), (26, 1916920), (34, 1465880), (40, 1245998), (52, 958460), (65, 766768), (68, 732940), (80, 622999), (85, 586352), (104, 479230), (130, 383384), (136, 366470), (170, 293176), (208, 239615), (221, 225520), (260, 191692), (272, 183235), (340, 146588), (442, 112760), (520, 95846), (680, 73294), (884, 56380), (1040, 47923), (1105, 45104), (1360, 36647), (1768, 28190), (2210, 22552), (2819, 17680), (3536, 14095), (4420, 11276), (5638, 8840)]