28815800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11083}}^1$

素因数の和:11112

約数の個数: 48

約数和(自身を含む): 72156840

約数和(自身を除く): 43341040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11083, 22166, 44332, 55415, 88664, 110830, 144079, 221660, 277075, 288158, 443320, 554150, 576316, 720395, 1108300, 1152632, 1440790, 2216600, 2881580, 3601975, 5763160, 7203950, 14407900, 28815800]

約数ペア:

[(1, 28815800), (2, 14407900), (4, 7203950), (5, 5763160), (8, 3601975), (10, 2881580), (13, 2216600), (20, 1440790), (25, 1152632), (26, 1108300), (40, 720395), (50, 576316), (52, 554150), (65, 443320), (100, 288158), (104, 277075), (130, 221660), (200, 144079), (260, 110830), (325, 88664), (520, 55415), (650, 44332), (1300, 22166), (2600, 11083)]