99406520

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5903}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 224233920

約数和(自身を除く): 124827400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5903, 8420, 11806, 16840, 23612, 29515, 47224, 59030, 118060, 236120, 2485163, 4970326, 9940652, 12425815, 19881304, 24851630, 49703260, 99406520]

約数ペア:

[(1, 99406520), (2, 49703260), (4, 24851630), (5, 19881304), (8, 12425815), (10, 9940652), (20, 4970326), (40, 2485163), (421, 236120), (842, 118060), (1684, 59030), (2105, 47224), (3368, 29515), (4210, 23612), (5903, 16840), (8420, 11806)]