63968840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123017}}^1$

素因数の和:123041

約数の個数: 32

約数和(自身を含む): 155002680

約数和(自身を除く): 91033840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123017, 246034, 492068, 615085, 984136, 1230170, 1599221, 2460340, 3198442, 4920680, 6396884, 7996105, 12793768, 15992210, 31984420, 63968840]

約数ペア:

[(1, 63968840), (2, 31984420), (4, 15992210), (5, 12793768), (8, 7996105), (10, 6396884), (13, 4920680), (20, 3198442), (26, 2460340), (40, 1599221), (52, 1230170), (65, 984136), (104, 615085), (130, 492068), (260, 246034), (520, 123017)]