2816996720

素因数分解:

$2^4\times 5^1\times {\mathrm{4871}}^1\times {\mathrm{7229}}^1$

素因数の和:12113

約数の個数: 40

約数和(自身を含む): 6551768160

約数和(自身を除く): 3734771440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4871, 7229, 9742, 14458, 19484, 24355, 28916, 36145, 38968, 48710, 57832, 72290, 77936, 97420, 115664, 144580, 194840, 289160, 389680, 578320, 35212459, 70424918, 140849836, 176062295, 281699672, 352124590, 563399344, 704249180, 1408498360, 2816996720]

約数ペア:

[(1, 2816996720), (2, 1408498360), (4, 704249180), (5, 563399344), (8, 352124590), (10, 281699672), (16, 176062295), (20, 140849836), (40, 70424918), (80, 35212459), (4871, 578320), (7229, 389680), (9742, 289160), (14458, 194840), (19484, 144580), (24355, 115664), (28916, 97420), (36145, 77936), (38968, 72290), (48710, 57832)]