42620502020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1\times {\mathrm{14281}}^1$

素因数の和:14473

約数の個数: 72

約数和(自身を含む): 92837855880

約数和(自身を除く): 50217353860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 1369, 2180, 2738, 4033, 5476, 6845, 8066, 13690, 14281, 16132, 20165, 27380, 28562, 40330, 57124, 71405, 80660, 142810, 149221, 285620, 298442, 528397, 596884, 746105, 1056794, 1492210, 1556629, 2113588, 2641985, 2984420, 3113258, 5283970, 6226516, 7783145, 10567940, 15566290, 19550689, 31132580, 39101378, 57595273, 78202756, 97753445, 115190546, 195506890, 230381092, 287976365, 391013780, 575952730, 1151905460, 2131025101, 4262050202, 8524100404, 10655125505, 21310251010, 42620502020]

約数ペア:

[(1, 42620502020), (2, 21310251010), (4, 10655125505), (5, 8524100404), (10, 4262050202), (20, 2131025101), (37, 1151905460), (74, 575952730), (109, 391013780), (148, 287976365), (185, 230381092), (218, 195506890), (370, 115190546), (436, 97753445), (545, 78202756), (740, 57595273), (1090, 39101378), (1369, 31132580), (2180, 19550689), (2738, 15566290), (4033, 10567940), (5476, 7783145), (6845, 6226516), (8066, 5283970), (13690, 3113258), (14281, 2984420), (16132, 2641985), (20165, 2113588), (27380, 1556629), (28562, 1492210), (40330, 1056794), (57124, 746105), (71405, 596884), (80660, 528397), (142810, 298442), (149221, 285620)]