66540850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 131911200

約数和(自身を除く): 65370350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 445, 475, 787, 890, 950, 1574, 1691, 2225, 3382, 3935, 4450, 7870, 8455, 14953, 16910, 19675, 29906, 39350, 42275, 70043, 74765, 84550, 140086, 149530, 350215, 373825, 700430, 747650, 1330817, 1751075, 2661634, 3502150, 6654085, 13308170, 33270425, 66540850]

約数ペア:

[(1, 66540850), (2, 33270425), (5, 13308170), (10, 6654085), (19, 3502150), (25, 2661634), (38, 1751075), (50, 1330817), (89, 747650), (95, 700430), (178, 373825), (190, 350215), (445, 149530), (475, 140086), (787, 84550), (890, 74765), (950, 70043), (1574, 42275), (1691, 39350), (2225, 29906), (3382, 19675), (3935, 16910), (4450, 14953), (7870, 8455)]