64681300

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1613}}^1$

素因数の和:2028

約数の個数: 36

約数和(自身を含む): 140795676

約数和(自身を除く): 76114376

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1604, 1613, 2005, 3226, 4010, 6452, 8020, 8065, 10025, 16130, 20050, 32260, 40100, 40325, 80650, 161300, 646813, 1293626, 2587252, 3234065, 6468130, 12936260, 16170325, 32340650, 64681300]

約数ペア:

[(1, 64681300), (2, 32340650), (4, 16170325), (5, 12936260), (10, 6468130), (20, 3234065), (25, 2587252), (50, 1293626), (100, 646813), (401, 161300), (802, 80650), (1604, 40325), (1613, 40100), (2005, 32260), (3226, 20050), (4010, 16130), (6452, 10025), (8020, 8065)]