66201880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 156854880

約数和(自身を除く): 90653000

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, 1091, 1480, 1517, 1640, 2182, 3034, 4364, 5455, 6068, 7585, 8728, 10910, 12136, 15170, 21820, 30340, 40367, 43640, 44731, 60680, 80734, 89462, 161468, 178924, 201835, 223655, 322936, 357848, 403670, 447310, 807340, 894620, 1614680, 1655047, 1789240, 3310094, 6620188, 8275235, 13240376, 16550470, 33100940, 66201880]

約数ペア:

[(1, 66201880), (2, 33100940), (4, 16550470), (5, 13240376), (8, 8275235), (10, 6620188), (20, 3310094), (37, 1789240), (40, 1655047), (41, 1614680), (74, 894620), (82, 807340), (148, 447310), (164, 403670), (185, 357848), (205, 322936), (296, 223655), (328, 201835), (370, 178924), (410, 161468), (740, 89462), (820, 80734), (1091, 60680), (1480, 44731), (1517, 43640), (1640, 40367), (2182, 30340), (3034, 21820), (4364, 15170), (5455, 12136), (6068, 10910), (7585, 8728)]