51347200

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 130022928

約数和(自身を除く): 78675728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 113, 128, 142, 160, 200, 226, 256, 284, 320, 355, 400, 452, 565, 568, 640, 710, 800, 904, 1130, 1136, 1280, 1420, 1600, 1775, 1808, 2260, 2272, 2825, 2840, 3200, 3550, 3616, 4520, 4544, 5650, 5680, 6400, 7100, 7232, 8023, 9040, 9088, 11300, 11360, 14200, 14464, 16046, 18080, 18176, 22600, 22720, 28400, 28928, 32092, 36160, 40115, 45200, 45440, 56800, 64184, 72320, 80230, 90400, 90880, 113600, 128368, 144640, 160460, 180800, 200575, 227200, 256736, 320920, 361600, 401150, 454400, 513472, 641840, 723200, 802300, 1026944, 1283680, 1604600, 2053888, 2567360, 3209200, 5134720, 6418400, 10269440, 12836800, 25673600, 51347200]

約数ペア:

[(1, 51347200), (2, 25673600), (4, 12836800), (5, 10269440), (8, 6418400), (10, 5134720), (16, 3209200), (20, 2567360), (25, 2053888), (32, 1604600), (40, 1283680), (50, 1026944), (64, 802300), (71, 723200), (80, 641840), (100, 513472), (113, 454400), (128, 401150), (142, 361600), (160, 320920), (200, 256736), (226, 227200), (256, 200575), (284, 180800), (320, 160460), (355, 144640), (400, 128368), (452, 113600), (565, 90880), (568, 90400), (640, 80230), (710, 72320), (800, 64184), (904, 56800), (1130, 45440), (1136, 45200), (1280, 40115), (1420, 36160), (1600, 32092), (1775, 28928), (1808, 28400), (2260, 22720), (2272, 22600), (2825, 18176), (2840, 18080), (3200, 16046), (3550, 14464), (3616, 14200), (4520, 11360), (4544, 11300), (5650, 9088), (5680, 9040), (6400, 8023), (7100, 7232)]