99390680

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{7039}}^1$

素因数の和:7403

約数の個数: 32

約数和(自身を含む): 224294400

約数和(自身を除く): 124903720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7039, 7060, 14078, 14120, 28156, 35195, 56312, 70390, 140780, 281560, 2484767, 4969534, 9939068, 12423835, 19878136, 24847670, 49695340, 99390680]

約数ペア:

[(1, 99390680), (2, 49695340), (4, 24847670), (5, 19878136), (8, 12423835), (10, 9939068), (20, 4969534), (40, 2484767), (353, 281560), (706, 140780), (1412, 70390), (1765, 56312), (2824, 35195), (3530, 28156), (7039, 14120), (7060, 14078)]