99389720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80153}}^1$

素因数の和:80195

約数の個数: 32

約数和(自身を含む): 230843520

約数和(自身を除く): 131453800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80153, 160306, 320612, 400765, 641224, 801530, 1603060, 2484743, 3206120, 4969486, 9938972, 12423715, 19877944, 24847430, 49694860, 99389720]

約数ペア:

[(1, 99389720), (2, 49694860), (4, 24847430), (5, 19877944), (8, 12423715), (10, 9938972), (20, 4969486), (31, 3206120), (40, 2484743), (62, 1603060), (124, 801530), (155, 641224), (248, 400765), (310, 320612), (620, 160306), (1240, 80153)]