22528240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 80

約数和(自身を含む): 61156800

約数和(自身を除く): 38628560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 821, 980, 1372, 1642, 1715, 1960, 2744, 3284, 3430, 3920, 4105, 5488, 5747, 6568, 6860, 8210, 11494, 13136, 13720, 16420, 22988, 27440, 28735, 32840, 40229, 45976, 57470, 65680, 80458, 91952, 114940, 160916, 201145, 229880, 281603, 321832, 402290, 459760, 563206, 643664, 804580, 1126412, 1408015, 1609160, 2252824, 2816030, 3218320, 4505648, 5632060, 11264120, 22528240]

約数ペア:

[(1, 22528240), (2, 11264120), (4, 5632060), (5, 4505648), (7, 3218320), (8, 2816030), (10, 2252824), (14, 1609160), (16, 1408015), (20, 1126412), (28, 804580), (35, 643664), (40, 563206), (49, 459760), (56, 402290), (70, 321832), (80, 281603), (98, 229880), (112, 201145), (140, 160916), (196, 114940), (245, 91952), (280, 80458), (343, 65680), (392, 57470), (490, 45976), (560, 40229), (686, 32840), (784, 28735), (821, 27440), (980, 22988), (1372, 16420), (1642, 13720), (1715, 13136), (1960, 11494), (2744, 8210), (3284, 6860), (3430, 6568), (3920, 5747), (4105, 5488)]