90057440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51169}}^1$

素因数の和:51195

約数の個数: 48

約数和(自身を含む): 232107120

約数和(自身を除く): 142049680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 51169, 102338, 204676, 255845, 409352, 511690, 562859, 818704, 1023380, 1125718, 1637408, 2046760, 2251436, 2814295, 4093520, 4502872, 5628590, 8187040, 9005744, 11257180, 18011488, 22514360, 45028720, 90057440]

約数ペア:

[(1, 90057440), (2, 45028720), (4, 22514360), (5, 18011488), (8, 11257180), (10, 9005744), (11, 8187040), (16, 5628590), (20, 4502872), (22, 4093520), (32, 2814295), (40, 2251436), (44, 2046760), (55, 1637408), (80, 1125718), (88, 1023380), (110, 818704), (160, 562859), (176, 511690), (220, 409352), (352, 255845), (440, 204676), (880, 102338), (1760, 51169)]