86950040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70121}}^1$

素因数の和:70163

約数の個数: 32

約数和(自身を含む): 201951360

約数和(自身を除く): 115001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70121, 140242, 280484, 350605, 560968, 701210, 1402420, 2173751, 2804840, 4347502, 8695004, 10868755, 17390008, 21737510, 43475020, 86950040]

約数ペア:

[(1, 86950040), (2, 43475020), (4, 21737510), (5, 17390008), (8, 10868755), (10, 8695004), (20, 4347502), (31, 2804840), (40, 2173751), (62, 1402420), (124, 701210), (155, 560968), (248, 350605), (310, 280484), (620, 140242), (1240, 70121)]