12806800

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 60

約数和(自身を含む): 31170996

約数和(自身を除く): 18364196

約数列:

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

約数ペア:

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