205765880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3480

約数の個数: 64

約数和(自身を含む): 487226880

約数和(自身を除く): 281461000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1480, 1517, 1640, 3034, 3391, 6068, 6782, 7585, 12136, 13564, 15170, 16955, 27128, 30340, 33910, 60680, 67820, 125467, 135640, 139031, 250934, 278062, 501868, 556124, 627335, 695155, 1003736, 1112248, 1254670, 1390310, 2509340, 2780620, 5018680, 5144147, 5561240, 10288294, 20576588, 25720735, 41153176, 51441470, 102882940, 205765880]

約数ペア:

[(1, 205765880), (2, 102882940), (4, 51441470), (5, 41153176), (8, 25720735), (10, 20576588), (20, 10288294), (37, 5561240), (40, 5144147), (41, 5018680), (74, 2780620), (82, 2509340), (148, 1390310), (164, 1254670), (185, 1112248), (205, 1003736), (296, 695155), (328, 627335), (370, 556124), (410, 501868), (740, 278062), (820, 250934), (1480, 139031), (1517, 135640), (1640, 125467), (3034, 67820), (3391, 60680), (6068, 33910), (6782, 30340), (7585, 27128), (12136, 16955), (13564, 15170)]