19480400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 60

約数和(自身を含む): 48342144

約数和(自身を除く): 28861744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1571, 2480, 3100, 3142, 6200, 6284, 7855, 12400, 12568, 15710, 25136, 31420, 39275, 48701, 62840, 78550, 97402, 125680, 157100, 194804, 243505, 314200, 389608, 487010, 628400, 779216, 974020, 1217525, 1948040, 2435050, 3896080, 4870100, 9740200, 19480400]

約数ペア:

[(1, 19480400), (2, 9740200), (4, 4870100), (5, 3896080), (8, 2435050), (10, 1948040), (16, 1217525), (20, 974020), (25, 779216), (31, 628400), (40, 487010), (50, 389608), (62, 314200), (80, 243505), (100, 194804), (124, 157100), (155, 125680), (200, 97402), (248, 78550), (310, 62840), (400, 48701), (496, 39275), (620, 31420), (775, 25136), (1240, 15710), (1550, 12568), (1571, 12400), (2480, 7855), (3100, 6284), (3142, 6200)]