77634280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13963}}^1$

素因数の和:14113

約数の個数: 32

約数和(自身を含む): 175946400

約数和(自身を除く): 98312120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13963, 27926, 55852, 69815, 111704, 139630, 279260, 558520, 1940857, 3881714, 7763428, 9704285, 15526856, 19408570, 38817140, 77634280]

約数ペア:

[(1, 77634280), (2, 38817140), (4, 19408570), (5, 15526856), (8, 9704285), (10, 7763428), (20, 3881714), (40, 1940857), (139, 558520), (278, 279260), (556, 139630), (695, 111704), (1112, 69815), (1390, 55852), (2780, 27926), (5560, 13963)]