90374920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72883}}^1$

素因数の和:72925

約数の個数: 32

約数和(自身を含む): 209905920

約数和(自身を除く): 119531000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 72883, 145766, 291532, 364415, 583064, 728830, 1457660, 2259373, 2915320, 4518746, 9037492, 11296865, 18074984, 22593730, 45187460, 90374920]

約数ペア:

[(1, 90374920), (2, 45187460), (4, 22593730), (5, 18074984), (8, 11296865), (10, 9037492), (20, 4518746), (31, 2915320), (40, 2259373), (62, 1457660), (124, 728830), (155, 583064), (248, 364415), (310, 291532), (620, 145766), (1240, 72883)]