28773460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 35238572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 881, 1420, 1633, 1762, 3266, 3524, 4405, 6532, 8165, 8810, 16330, 17620, 20263, 32660, 40526, 62551, 81052, 101315, 125102, 202630, 250204, 312755, 405260, 625510, 1251020, 1438673, 2877346, 5754692, 7193365, 14386730, 28773460]

約数ペア:

[(1, 28773460), (2, 14386730), (4, 7193365), (5, 5754692), (10, 2877346), (20, 1438673), (23, 1251020), (46, 625510), (71, 405260), (92, 312755), (115, 250204), (142, 202630), (230, 125102), (284, 101315), (355, 81052), (460, 62551), (710, 40526), (881, 32660), (1420, 20263), (1633, 17620), (1762, 16330), (3266, 8810), (3524, 8165), (4405, 6532)]