28438125440

素因数分解:

$2^7\times 5^1\times {\mathrm{44434571}}^1$

素因数の和:44434590

約数の個数: 32

約数和(自身を含む): 67984895160

約数和(自身を除く): 39546769720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44434571, 88869142, 177738284, 222172855, 355476568, 444345710, 710953136, 888691420, 1421906272, 1777382840, 2843812544, 3554765680, 5687625088, 7109531360, 14219062720, 28438125440]

約数ペア:

[(1, 28438125440), (2, 14219062720), (4, 7109531360), (5, 5687625088), (8, 3554765680), (10, 2843812544), (16, 1777382840), (20, 1421906272), (32, 888691420), (40, 710953136), (64, 444345710), (80, 355476568), (128, 222172855), (160, 177738284), (320, 88869142), (640, 44434571)]