80167900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 182863296

約数和(自身を除く): 102695396

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 185, 188, 235, 370, 461, 470, 740, 922, 925, 940, 1175, 1739, 1844, 1850, 2305, 2350, 3478, 3700, 4610, 4700, 6956, 8695, 9220, 11525, 17057, 17390, 21667, 23050, 34114, 34780, 43334, 43475, 46100, 68228, 85285, 86668, 86950, 108335, 170570, 173900, 216670, 341140, 426425, 433340, 541675, 801679, 852850, 1083350, 1603358, 1705700, 2166700, 3206716, 4008395, 8016790, 16033580, 20041975, 40083950, 80167900]

約数ペア:

[(1, 80167900), (2, 40083950), (4, 20041975), (5, 16033580), (10, 8016790), (20, 4008395), (25, 3206716), (37, 2166700), (47, 1705700), (50, 1603358), (74, 1083350), (94, 852850), (100, 801679), (148, 541675), (185, 433340), (188, 426425), (235, 341140), (370, 216670), (461, 173900), (470, 170570), (740, 108335), (922, 86950), (925, 86668), (940, 85285), (1175, 68228), (1739, 46100), (1844, 43475), (1850, 43334), (2305, 34780), (2350, 34114), (3478, 23050), (3700, 21667), (4610, 17390), (4700, 17057), (6956, 11525), (8695, 9220)]