51854660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18131}}^1$

素因数の和:18164

約数の個数: 48

約数和(自身を含む): 127939392

約数和(自身を除く): 76084732

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18131, 36262, 72524, 90655, 181310, 199441, 235703, 362620, 398882, 471406, 797764, 942812, 997205, 1178515, 1994410, 2357030, 2592733, 3988820, 4714060, 5185466, 10370932, 12963665, 25927330, 51854660]

約数ペア:

[(1, 51854660), (2, 25927330), (4, 12963665), (5, 10370932), (10, 5185466), (11, 4714060), (13, 3988820), (20, 2592733), (22, 2357030), (26, 1994410), (44, 1178515), (52, 997205), (55, 942812), (65, 797764), (110, 471406), (130, 398882), (143, 362620), (220, 235703), (260, 199441), (286, 181310), (572, 90655), (715, 72524), (1430, 36262), (2860, 18131)]