40823680

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 98372880

約数和(自身を除く): 57549200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 281, 320, 454, 562, 640, 908, 1124, 1135, 1405, 1816, 2248, 2270, 2810, 3632, 4496, 4540, 5620, 7264, 8992, 9080, 11240, 14528, 17984, 18160, 22480, 29056, 35968, 36320, 44960, 63787, 72640, 89920, 127574, 145280, 179840, 255148, 318935, 510296, 637870, 1020592, 1275740, 2041184, 2551480, 4082368, 5102960, 8164736, 10205920, 20411840, 40823680]

約数ペア:

[(1, 40823680), (2, 20411840), (4, 10205920), (5, 8164736), (8, 5102960), (10, 4082368), (16, 2551480), (20, 2041184), (32, 1275740), (40, 1020592), (64, 637870), (80, 510296), (128, 318935), (160, 255148), (227, 179840), (281, 145280), (320, 127574), (454, 89920), (562, 72640), (640, 63787), (908, 44960), (1124, 36320), (1135, 35968), (1405, 29056), (1816, 22480), (2248, 18160), (2270, 17984), (2810, 14528), (3632, 11240), (4496, 9080), (4540, 8992), (5620, 7264)]