4954420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 10999296

約数和(自身を除く): 6044876

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 131, 155, 244, 262, 305, 310, 524, 610, 620, 655, 1220, 1310, 1891, 2620, 3782, 4061, 7564, 7991, 8122, 9455, 15982, 16244, 18910, 20305, 31964, 37820, 39955, 40610, 79910, 81220, 159820, 247721, 495442, 990884, 1238605, 2477210, 4954420]

約数ペア:

[(1, 4954420), (2, 2477210), (4, 1238605), (5, 990884), (10, 495442), (20, 247721), (31, 159820), (61, 81220), (62, 79910), (122, 40610), (124, 39955), (131, 37820), (155, 31964), (244, 20305), (262, 18910), (305, 16244), (310, 15982), (524, 9455), (610, 8122), (620, 7991), (655, 7564), (1220, 4061), (1310, 3782), (1891, 2620)]