813077920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163927}}^1$

素因数の和:163973

約数の個数: 48

約数和(自身を含む): 1982873088

約数和(自身を除く): 1169795168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 163927, 327854, 655708, 819635, 1311416, 1639270, 2622832, 3278540, 5081737, 5245664, 6557080, 10163474, 13114160, 20326948, 25408685, 26228320, 40653896, 50817370, 81307792, 101634740, 162615584, 203269480, 406538960, 813077920]

約数ペア:

[(1, 813077920), (2, 406538960), (4, 203269480), (5, 162615584), (8, 101634740), (10, 81307792), (16, 50817370), (20, 40653896), (31, 26228320), (32, 25408685), (40, 20326948), (62, 13114160), (80, 10163474), (124, 6557080), (155, 5245664), (160, 5081737), (248, 3278540), (310, 2622832), (496, 1639270), (620, 1311416), (992, 819635), (1240, 655708), (2480, 327854), (4960, 163927)]