25319980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2179}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 61528320

約数和(自身を除く): 36208340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2179, 2324, 2905, 4358, 5810, 8716, 10895, 11620, 15253, 21790, 30506, 43580, 61012, 76265, 152530, 180857, 305060, 361714, 723428, 904285, 1265999, 1808570, 2531998, 3617140, 5063996, 6329995, 12659990, 25319980]

約数ペア:

[(1, 25319980), (2, 12659990), (4, 6329995), (5, 5063996), (7, 3617140), (10, 2531998), (14, 1808570), (20, 1265999), (28, 904285), (35, 723428), (70, 361714), (83, 305060), (140, 180857), (166, 152530), (332, 76265), (415, 61012), (581, 43580), (830, 30506), (1162, 21790), (1660, 15253), (2179, 11620), (2324, 10895), (2905, 8716), (4358, 5810)]