84427720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 205758000

約数和(自身を除く): 121330280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 709, 916, 1145, 1418, 1832, 2290, 2836, 2977, 3545, 4580, 5672, 5954, 7090, 9160, 9217, 11908, 14180, 14885, 18434, 23816, 28360, 29770, 36868, 46085, 59540, 73736, 92170, 119080, 162361, 184340, 324722, 368680, 649444, 811805, 1298888, 1623610, 2110693, 3247220, 4221386, 6494440, 8442772, 10553465, 16885544, 21106930, 42213860, 84427720]

約数ペア:

[(1, 84427720), (2, 42213860), (4, 21106930), (5, 16885544), (8, 10553465), (10, 8442772), (13, 6494440), (20, 4221386), (26, 3247220), (40, 2110693), (52, 1623610), (65, 1298888), (104, 811805), (130, 649444), (229, 368680), (260, 324722), (458, 184340), (520, 162361), (709, 119080), (916, 92170), (1145, 73736), (1418, 59540), (1832, 46085), (2290, 36868), (2836, 29770), (2977, 28360), (3545, 23816), (4580, 18434), (5672, 14885), (5954, 14180), (7090, 11908), (9160, 9217)]