87188120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70313}}^1$

素因数の和:70355

約数の個数: 32

約数和(自身を含む): 202504320

約数和(自身を除く): 115316200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70313, 140626, 281252, 351565, 562504, 703130, 1406260, 2179703, 2812520, 4359406, 8718812, 10898515, 17437624, 21797030, 43594060, 87188120]

約数ペア:

[(1, 87188120), (2, 43594060), (4, 21797030), (5, 17437624), (8, 10898515), (10, 8718812), (20, 4359406), (31, 2812520), (40, 2179703), (62, 1406260), (124, 703130), (155, 562504), (248, 351565), (310, 281252), (620, 140626), (1240, 70313)]