80256475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 115930080

約数和(自身を除く): 35673605

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 205, 247, 317, 325, 475, 533, 779, 1025, 1235, 1585, 2665, 3895, 4121, 6023, 6175, 7925, 10127, 12997, 13325, 19475, 20605, 30115, 50635, 64985, 78299, 103025, 150575, 168961, 246943, 253175, 324925, 391495, 844805, 1234715, 1957475, 3210259, 4224025, 6173575, 16051295, 80256475]

約数ペア:

[(1, 80256475), (5, 16051295), (13, 6173575), (19, 4224025), (25, 3210259), (41, 1957475), (65, 1234715), (95, 844805), (205, 391495), (247, 324925), (317, 253175), (325, 246943), (475, 168961), (533, 150575), (779, 103025), (1025, 78299), (1235, 64985), (1585, 50635), (2665, 30115), (3895, 20605), (4121, 19475), (6023, 13325), (6175, 12997), (7925, 10127)]