77965420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1321}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 177232608

約数和(自身を除く): 99267188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1321, 2270, 2642, 2951, 4540, 5284, 5902, 6605, 11804, 13210, 14755, 17173, 26420, 29510, 34346, 59020, 68692, 85865, 171730, 299867, 343460, 599734, 1199468, 1499335, 2998670, 3898271, 5997340, 7796542, 15593084, 19491355, 38982710, 77965420]

約数ペア:

[(1, 77965420), (2, 38982710), (4, 19491355), (5, 15593084), (10, 7796542), (13, 5997340), (20, 3898271), (26, 2998670), (52, 1499335), (65, 1199468), (130, 599734), (227, 343460), (260, 299867), (454, 171730), (908, 85865), (1135, 68692), (1321, 59020), (2270, 34346), (2642, 29510), (2951, 26420), (4540, 17173), (5284, 14755), (5902, 13210), (6605, 11804)]