25099780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 29332220

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 239, 295, 356, 445, 478, 590, 890, 956, 1180, 1195, 1780, 2390, 4780, 5251, 10502, 14101, 21004, 21271, 26255, 28202, 42542, 52510, 56404, 70505, 85084, 105020, 106355, 141010, 212710, 282020, 425420, 1254989, 2509978, 5019956, 6274945, 12549890, 25099780]

約数ペア:

[(1, 25099780), (2, 12549890), (4, 6274945), (5, 5019956), (10, 2509978), (20, 1254989), (59, 425420), (89, 282020), (118, 212710), (178, 141010), (236, 106355), (239, 105020), (295, 85084), (356, 70505), (445, 56404), (478, 52510), (590, 42542), (890, 28202), (956, 26255), (1180, 21271), (1195, 21004), (1780, 14101), (2390, 10502), (4780, 5251)]