38789680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15641}}^1$

素因数の和:15685

約数の個数: 40

約数和(自身を含む): 93101184

約数和(自身を除く): 54311504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15641, 31282, 62564, 78205, 125128, 156410, 250256, 312820, 484871, 625640, 969742, 1251280, 1939484, 2424355, 3878968, 4848710, 7757936, 9697420, 19394840, 38789680]

約数ペア:

[(1, 38789680), (2, 19394840), (4, 9697420), (5, 7757936), (8, 4848710), (10, 3878968), (16, 2424355), (20, 1939484), (31, 1251280), (40, 969742), (62, 625640), (80, 484871), (124, 312820), (155, 250256), (248, 156410), (310, 125128), (496, 78205), (620, 62564), (1240, 31282), (2480, 15641)]