72531290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{991}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 140990976

約数和(自身を除く): 68459686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 563, 991, 1126, 1982, 2815, 4955, 5630, 7319, 9910, 12883, 14638, 25766, 36595, 64415, 73190, 128830, 557933, 1115866, 2789665, 5579330, 7253129, 14506258, 36265645, 72531290]

約数ペア:

[(1, 72531290), (2, 36265645), (5, 14506258), (10, 7253129), (13, 5579330), (26, 2789665), (65, 1115866), (130, 557933), (563, 128830), (991, 73190), (1126, 64415), (1982, 36595), (2815, 25766), (4955, 14638), (5630, 12883), (7319, 9910)]