200720650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{308801}}^1$

素因数の和:308826

約数の個数: 24

約数和(自身を含む): 402060204

約数和(自身を除く): 201339554

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 308801, 617602, 1544005, 3088010, 4014413, 7720025, 8028826, 15440050, 20072065, 40144130, 100360325, 200720650]

約数ペア:

[(1, 200720650), (2, 100360325), (5, 40144130), (10, 20072065), (13, 15440050), (25, 8028826), (26, 7720025), (50, 4014413), (65, 3088010), (130, 1544005), (325, 617602), (650, 308801)]