45139840

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 108727920

約数和(自身を除く): 63588080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 281, 320, 502, 562, 640, 1004, 1124, 1255, 1405, 2008, 2248, 2510, 2810, 4016, 4496, 5020, 5620, 8032, 8992, 10040, 11240, 16064, 17984, 20080, 22480, 32128, 35968, 40160, 44960, 70531, 80320, 89920, 141062, 160640, 179840, 282124, 352655, 564248, 705310, 1128496, 1410620, 2256992, 2821240, 4513984, 5642480, 9027968, 11284960, 22569920, 45139840]

約数ペア:

[(1, 45139840), (2, 22569920), (4, 11284960), (5, 9027968), (8, 5642480), (10, 4513984), (16, 2821240), (20, 2256992), (32, 1410620), (40, 1128496), (64, 705310), (80, 564248), (128, 352655), (160, 282124), (251, 179840), (281, 160640), (320, 141062), (502, 89920), (562, 80320), (640, 70531), (1004, 44960), (1124, 40160), (1255, 35968), (1405, 32128), (2008, 22480), (2248, 20080), (2510, 17984), (2810, 16064), (4016, 11240), (4496, 10040), (5020, 8992), (5620, 8032)]