15800590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6397}}^1$

素因数の和:6436

約数の個数: 32

約数和(自身を含む): 32245920

約数和(自身を除く): 16445330

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 6397, 12794, 31985, 63970, 83161, 121543, 166322, 243086, 415805, 607715, 831610, 1215430, 1580059, 3160118, 7900295, 15800590]

約数ペア:

[(1, 15800590), (2, 7900295), (5, 3160118), (10, 1580059), (13, 1215430), (19, 831610), (26, 607715), (38, 415805), (65, 243086), (95, 166322), (130, 121543), (190, 83161), (247, 63970), (494, 31985), (1235, 12794), (2470, 6397)]