90205040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36373}}^1$

素因数の和:36417

約数の個数: 40

約数和(自身を含む): 216498048

約数和(自身を除く): 126293008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36373, 72746, 145492, 181865, 290984, 363730, 581968, 727460, 1127563, 1454920, 2255126, 2909840, 4510252, 5637815, 9020504, 11275630, 18041008, 22551260, 45102520, 90205040]

約数ペア:

[(1, 90205040), (2, 45102520), (4, 22551260), (5, 18041008), (8, 11275630), (10, 9020504), (16, 5637815), (20, 4510252), (31, 2909840), (40, 2255126), (62, 1454920), (80, 1127563), (124, 727460), (155, 581968), (248, 363730), (310, 290984), (496, 181865), (620, 145492), (1240, 72746), (2480, 36373)]