158380240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63863}}^1$

素因数の和:63907

約数の個数: 40

約数和(自身を含む): 380118528

約数和(自身を除く): 221738288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63863, 127726, 255452, 319315, 510904, 638630, 1021808, 1277260, 1979753, 2554520, 3959506, 5109040, 7919012, 9898765, 15838024, 19797530, 31676048, 39595060, 79190120, 158380240]

約数ペア:

[(1, 158380240), (2, 79190120), (4, 39595060), (5, 31676048), (8, 19797530), (10, 15838024), (16, 9898765), (20, 7919012), (31, 5109040), (40, 3959506), (62, 2554520), (80, 1979753), (124, 1277260), (155, 1021808), (248, 638630), (310, 510904), (496, 319315), (620, 255452), (1240, 127726), (2480, 63863)]