25043000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 59529600

約数和(自身を除く): 34486600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 317, 395, 500, 632, 634, 790, 1000, 1268, 1580, 1585, 1975, 2536, 3160, 3170, 3950, 6340, 7900, 7925, 9875, 12680, 15800, 15850, 19750, 25043, 31700, 39500, 39625, 50086, 63400, 79000, 79250, 100172, 125215, 158500, 200344, 250430, 317000, 500860, 626075, 1001720, 1252150, 2504300, 3130375, 5008600, 6260750, 12521500, 25043000]

約数ペア:

[(1, 25043000), (2, 12521500), (4, 6260750), (5, 5008600), (8, 3130375), (10, 2504300), (20, 1252150), (25, 1001720), (40, 626075), (50, 500860), (79, 317000), (100, 250430), (125, 200344), (158, 158500), (200, 125215), (250, 100172), (316, 79250), (317, 79000), (395, 63400), (500, 50086), (632, 39625), (634, 39500), (790, 31700), (1000, 25043), (1268, 19750), (1580, 15850), (1585, 15800), (1975, 12680), (2536, 9875), (3160, 7925), (3170, 7900), (3950, 6340)]