61860040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12781}}^1$

素因数の和:12814

約数の個数: 48

約数和(自身を含む): 153000540

約数和(自身を除く): 91140500

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 12781, 25562, 51124, 63905, 102248, 127810, 140591, 255620, 281182, 511240, 562364, 702955, 1124728, 1405910, 1546501, 2811820, 3093002, 5623640, 6186004, 7732505, 12372008, 15465010, 30930020, 61860040]

約数ペア:

[(1, 61860040), (2, 30930020), (4, 15465010), (5, 12372008), (8, 7732505), (10, 6186004), (11, 5623640), (20, 3093002), (22, 2811820), (40, 1546501), (44, 1405910), (55, 1124728), (88, 702955), (110, 562364), (121, 511240), (220, 281182), (242, 255620), (440, 140591), (484, 127810), (605, 102248), (968, 63905), (1210, 51124), (2420, 25562), (4840, 12781)]