8242000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 21529872

約数和(自身を除く): 13287872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 317, 325, 400, 500, 520, 634, 650, 1000, 1040, 1268, 1300, 1585, 1625, 2000, 2536, 2600, 3170, 3250, 4121, 5072, 5200, 6340, 6500, 7925, 8242, 12680, 13000, 15850, 16484, 20605, 25360, 26000, 31700, 32968, 39625, 41210, 63400, 65936, 79250, 82420, 103025, 126800, 158500, 164840, 206050, 317000, 329680, 412100, 515125, 634000, 824200, 1030250, 1648400, 2060500, 4121000, 8242000]

約数ペア:

[(1, 8242000), (2, 4121000), (4, 2060500), (5, 1648400), (8, 1030250), (10, 824200), (13, 634000), (16, 515125), (20, 412100), (25, 329680), (26, 317000), (40, 206050), (50, 164840), (52, 158500), (65, 126800), (80, 103025), (100, 82420), (104, 79250), (125, 65936), (130, 63400), (200, 41210), (208, 39625), (250, 32968), (260, 31700), (317, 26000), (325, 25360), (400, 20605), (500, 16484), (520, 15850), (634, 13000), (650, 12680), (1000, 8242), (1040, 7925), (1268, 6500), (1300, 6340), (1585, 5200), (1625, 5072), (2000, 4121), (2536, 3250), (2600, 3170)]