81341150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2083}}^1$

素因数の和:2177

約数の個数: 48

約数和(自身を含む): 167453568

約数和(自身を除く): 86112418

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 2083, 3550, 3905, 4166, 7810, 10415, 19525, 20830, 22913, 39050, 45826, 52075, 104150, 114565, 147893, 229130, 295786, 572825, 739465, 1145650, 1478930, 1626823, 3253646, 3697325, 7394650, 8134115, 16268230, 40670575, 81341150]

約数ペア:

[(1, 81341150), (2, 40670575), (5, 16268230), (10, 8134115), (11, 7394650), (22, 3697325), (25, 3253646), (50, 1626823), (55, 1478930), (71, 1145650), (110, 739465), (142, 572825), (275, 295786), (355, 229130), (550, 147893), (710, 114565), (781, 104150), (1562, 52075), (1775, 45826), (2083, 39050), (3550, 22913), (3905, 20830), (4166, 19525), (7810, 10415)]