80456800

素因数分解:

$2^5\times 5^2\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 197940456

約数和(自身を除く): 117483656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 163, 200, 326, 400, 617, 652, 800, 815, 1234, 1304, 1630, 2468, 2608, 3085, 3260, 4075, 4936, 5216, 6170, 6520, 8150, 9872, 12340, 13040, 15425, 16300, 19744, 24680, 26080, 30850, 32600, 49360, 61700, 65200, 98720, 100571, 123400, 130400, 201142, 246800, 402284, 493600, 502855, 804568, 1005710, 1609136, 2011420, 2514275, 3218272, 4022840, 5028550, 8045680, 10057100, 16091360, 20114200, 40228400, 80456800]

約数ペア:

[(1, 80456800), (2, 40228400), (4, 20114200), (5, 16091360), (8, 10057100), (10, 8045680), (16, 5028550), (20, 4022840), (25, 3218272), (32, 2514275), (40, 2011420), (50, 1609136), (80, 1005710), (100, 804568), (160, 502855), (163, 493600), (200, 402284), (326, 246800), (400, 201142), (617, 130400), (652, 123400), (800, 100571), (815, 98720), (1234, 65200), (1304, 61700), (1630, 49360), (2468, 32600), (2608, 30850), (3085, 26080), (3260, 24680), (4075, 19744), (4936, 16300), (5216, 15425), (6170, 13040), (6520, 12340), (8150, 9872)]