2018362480

素因数分解:

$2^4\times 5^1\times {\mathrm{3539}}^1\times {\mathrm{7129}}^1$

素因数の和:10681

約数の個数: 40

約数和(自身を含む): 4694677200

約数和(自身を除く): 2676314720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3539, 7078, 7129, 14156, 14258, 17695, 28312, 28516, 35390, 35645, 56624, 57032, 70780, 71290, 114064, 141560, 142580, 283120, 285160, 570320, 25229531, 50459062, 100918124, 126147655, 201836248, 252295310, 403672496, 504590620, 1009181240, 2018362480]

約数ペア:

[(1, 2018362480), (2, 1009181240), (4, 504590620), (5, 403672496), (8, 252295310), (10, 201836248), (16, 126147655), (20, 100918124), (40, 50459062), (80, 25229531), (3539, 570320), (7078, 285160), (7129, 283120), (14156, 142580), (14258, 141560), (17695, 114064), (28312, 71290), (28516, 70780), (35390, 57032), (35645, 56624)]