38992420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 85994496

約数和(自身を除く): 47002076

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1031, 1220, 1891, 2062, 3782, 4124, 5155, 7564, 9455, 10310, 18910, 20620, 31961, 37820, 62891, 63922, 125782, 127844, 159805, 251564, 314455, 319610, 628910, 639220, 1257820, 1949621, 3899242, 7798484, 9748105, 19496210, 38992420]

約数ペア:

[(1, 38992420), (2, 19496210), (4, 9748105), (5, 7798484), (10, 3899242), (20, 1949621), (31, 1257820), (61, 639220), (62, 628910), (122, 319610), (124, 314455), (155, 251564), (244, 159805), (305, 127844), (310, 125782), (610, 63922), (620, 62891), (1031, 37820), (1220, 31961), (1891, 20620), (2062, 18910), (3782, 10310), (4124, 9455), (5155, 7564)]