25808920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4273}}^1$

素因数の和:4435

約数の個数: 32

約数和(自身を含む): 58468320

約数和(自身を除く): 32659400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 4273, 6040, 8546, 17092, 21365, 34184, 42730, 85460, 170920, 645223, 1290446, 2580892, 3226115, 5161784, 6452230, 12904460, 25808920]

約数ペア:

[(1, 25808920), (2, 12904460), (4, 6452230), (5, 5161784), (8, 3226115), (10, 2580892), (20, 1290446), (40, 645223), (151, 170920), (302, 85460), (604, 42730), (755, 34184), (1208, 21365), (1510, 17092), (3020, 8546), (4273, 6040)]