47790440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4999}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 108000000

約数和(自身を除く): 60209560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 4999, 9560, 9998, 19996, 24995, 39992, 49990, 99980, 199960, 1194761, 2389522, 4779044, 5973805, 9558088, 11947610, 23895220, 47790440]

約数ペア:

[(1, 47790440), (2, 23895220), (4, 11947610), (5, 9558088), (8, 5973805), (10, 4779044), (20, 2389522), (40, 1194761), (239, 199960), (478, 99980), (956, 49990), (1195, 39992), (1912, 24995), (2390, 19996), (4780, 9998), (4999, 9560)]