27915940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5651}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 66467520

約数和(自身を除く): 38551580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5651, 11302, 22604, 28255, 56510, 73463, 107369, 113020, 146926, 214738, 293852, 367315, 429476, 536845, 734630, 1073690, 1395797, 1469260, 2147380, 2791594, 5583188, 6978985, 13957970, 27915940]

約数ペア:

[(1, 27915940), (2, 13957970), (4, 6978985), (5, 5583188), (10, 2791594), (13, 2147380), (19, 1469260), (20, 1395797), (26, 1073690), (38, 734630), (52, 536845), (65, 429476), (76, 367315), (95, 293852), (130, 214738), (190, 146926), (247, 113020), (260, 107369), (380, 73463), (494, 56510), (988, 28255), (1235, 22604), (2470, 11302), (4940, 5651)]