49080020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 120054312

約数和(自身を除く): 70974292

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1193, 1210, 1870, 2057, 2386, 2420, 3740, 4114, 4772, 5965, 8228, 10285, 11930, 13123, 20281, 20570, 23860, 26246, 40562, 41140, 52492, 65615, 81124, 101405, 131230, 144353, 202810, 223091, 262460, 288706, 405620, 446182, 577412, 721765, 892364, 1115455, 1443530, 2230910, 2454001, 2887060, 4461820, 4908002, 9816004, 12270005, 24540010, 49080020]

約数ペア:

[(1, 49080020), (2, 24540010), (4, 12270005), (5, 9816004), (10, 4908002), (11, 4461820), (17, 2887060), (20, 2454001), (22, 2230910), (34, 1443530), (44, 1115455), (55, 892364), (68, 721765), (85, 577412), (110, 446182), (121, 405620), (170, 288706), (187, 262460), (220, 223091), (242, 202810), (340, 144353), (374, 131230), (484, 101405), (605, 81124), (748, 65615), (935, 52492), (1193, 41140), (1210, 40562), (1870, 26246), (2057, 23860), (2386, 20570), (2420, 20281), (3740, 13123), (4114, 11930), (4772, 10285), (5965, 8228)]