25613600

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 63347508

約数和(自身を除く): 37733908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 317, 400, 404, 505, 634, 800, 808, 1010, 1268, 1585, 1616, 2020, 2525, 2536, 3170, 3232, 4040, 5050, 5072, 6340, 7925, 8080, 10100, 10144, 12680, 15850, 16160, 20200, 25360, 31700, 32017, 40400, 50720, 63400, 64034, 80800, 126800, 128068, 160085, 253600, 256136, 320170, 512272, 640340, 800425, 1024544, 1280680, 1600850, 2561360, 3201700, 5122720, 6403400, 12806800, 25613600]

約数ペア:

[(1, 25613600), (2, 12806800), (4, 6403400), (5, 5122720), (8, 3201700), (10, 2561360), (16, 1600850), (20, 1280680), (25, 1024544), (32, 800425), (40, 640340), (50, 512272), (80, 320170), (100, 256136), (101, 253600), (160, 160085), (200, 128068), (202, 126800), (317, 80800), (400, 64034), (404, 63400), (505, 50720), (634, 40400), (800, 32017), (808, 31700), (1010, 25360), (1268, 20200), (1585, 16160), (1616, 15850), (2020, 12680), (2525, 10144), (2536, 10100), (3170, 8080), (3232, 7925), (4040, 6340), (5050, 5072)]