28090820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 34324540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 773, 790, 1546, 1580, 1817, 3092, 3634, 3865, 7268, 7730, 9085, 15460, 17779, 18170, 35558, 36340, 61067, 71116, 88895, 122134, 177790, 244268, 305335, 355580, 610670, 1221340, 1404541, 2809082, 5618164, 7022705, 14045410, 28090820]

約数ペア:

[(1, 28090820), (2, 14045410), (4, 7022705), (5, 5618164), (10, 2809082), (20, 1404541), (23, 1221340), (46, 610670), (79, 355580), (92, 305335), (115, 244268), (158, 177790), (230, 122134), (316, 88895), (395, 71116), (460, 61067), (773, 36340), (790, 35558), (1546, 18170), (1580, 17779), (1817, 15460), (3092, 9085), (3634, 7730), (3865, 7268)]