39231280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 100663200

約数和(自身を除く): 61431920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 409, 436, 440, 545, 818, 872, 880, 1090, 1199, 1636, 1744, 2045, 2180, 2398, 3272, 4090, 4360, 4499, 4796, 5995, 6544, 8180, 8720, 8998, 9592, 11990, 16360, 17996, 19184, 22495, 23980, 32720, 35992, 44581, 44990, 47960, 71984, 89162, 89980, 95920, 178324, 179960, 222905, 356648, 359920, 445810, 490391, 713296, 891620, 980782, 1783240, 1961564, 2451955, 3566480, 3923128, 4903910, 7846256, 9807820, 19615640, 39231280]

約数ペア:

[(1, 39231280), (2, 19615640), (4, 9807820), (5, 7846256), (8, 4903910), (10, 3923128), (11, 3566480), (16, 2451955), (20, 1961564), (22, 1783240), (40, 980782), (44, 891620), (55, 713296), (80, 490391), (88, 445810), (109, 359920), (110, 356648), (176, 222905), (218, 179960), (220, 178324), (409, 95920), (436, 89980), (440, 89162), (545, 71984), (818, 47960), (872, 44990), (880, 44581), (1090, 35992), (1199, 32720), (1636, 23980), (1744, 22495), (2045, 19184), (2180, 17996), (2398, 16360), (3272, 11990), (4090, 9592), (4360, 8998), (4499, 8720), (4796, 8180), (5995, 6544)]