42907020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55009}}^1$

素因数の和:55034

約数の個数: 48

約数和(自身を含む): 129383520

約数和(自身を除く): 86476500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 55009, 110018, 165027, 220036, 275045, 330054, 550090, 660108, 715117, 825135, 1100180, 1430234, 1650270, 2145351, 2860468, 3300540, 3575585, 4290702, 7151170, 8581404, 10726755, 14302340, 21453510, 42907020]

約数ペア:

[(1, 42907020), (2, 21453510), (3, 14302340), (4, 10726755), (5, 8581404), (6, 7151170), (10, 4290702), (12, 3575585), (13, 3300540), (15, 2860468), (20, 2145351), (26, 1650270), (30, 1430234), (39, 1100180), (52, 825135), (60, 715117), (65, 660108), (78, 550090), (130, 330054), (156, 275045), (195, 220036), (260, 165027), (390, 110018), (780, 55009)]