201680589680

素因数分解:

$2^4\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{1646641}}^1$

素因数の和:1648185

約数の個数: 40

約数和(自身を含む): 469213931184

約数和(自身を除く): 267533341504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1531, 3062, 6124, 7655, 12248, 15310, 24496, 30620, 61240, 122480, 1646641, 3293282, 6586564, 8233205, 13173128, 16466410, 26346256, 32932820, 65865640, 131731280, 2521007371, 5042014742, 10084029484, 12605036855, 20168058968, 25210073710, 40336117936, 50420147420, 100840294840, 201680589680]

約数ペア:

[(1, 201680589680), (2, 100840294840), (4, 50420147420), (5, 40336117936), (8, 25210073710), (10, 20168058968), (16, 12605036855), (20, 10084029484), (40, 5042014742), (80, 2521007371), (1531, 131731280), (3062, 65865640), (6124, 32932820), (7655, 26346256), (12248, 16466410), (15310, 13173128), (24496, 8233205), (30620, 6586564), (61240, 3293282), (122480, 1646641)]