520902590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{4019}}^1$

素因数の和:5036

約数の個数: 32

約数和(自身を含む): 1011013920

約数和(自身を除く): 490111330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 997, 1994, 4019, 4985, 8038, 9970, 12961, 20095, 25922, 40190, 52247, 64805, 104494, 129610, 261235, 522470, 4006943, 8013886, 20034715, 40069430, 52090259, 104180518, 260451295, 520902590]

約数ペア:

[(1, 520902590), (2, 260451295), (5, 104180518), (10, 52090259), (13, 40069430), (26, 20034715), (65, 8013886), (130, 4006943), (997, 522470), (1994, 261235), (4019, 129610), (4985, 104494), (8038, 64805), (9970, 52247), (12961, 40190), (20095, 25922)]