20105355000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1340357}}^1$

素因数の和:1340386

約数の個数: 80

約数和(自身を含む): 62809175880

約数和(自身を除く): 42703820880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 15000, 1340357, 2680714, 4021071, 5361428, 6701785, 8042142, 10722856, 13403570, 16084284, 20105355, 26807140, 32168568, 33508925, 40210710, 53614280, 67017850, 80421420, 100526775, 134035700, 160842840, 167544625, 201053550, 268071400, 335089250, 402107100, 502633875, 670178500, 804214200, 837723125, 1005267750, 1340357000, 1675446250, 2010535500, 2513169375, 3350892500, 4021071000, 5026338750, 6701785000, 10052677500, 20105355000]

約数ペア:

[(1, 20105355000), (2, 10052677500), (3, 6701785000), (4, 5026338750), (5, 4021071000), (6, 3350892500), (8, 2513169375), (10, 2010535500), (12, 1675446250), (15, 1340357000), (20, 1005267750), (24, 837723125), (25, 804214200), (30, 670178500), (40, 502633875), (50, 402107100), (60, 335089250), (75, 268071400), (100, 201053550), (120, 167544625), (125, 160842840), (150, 134035700), (200, 100526775), (250, 80421420), (300, 67017850), (375, 53614280), (500, 40210710), (600, 33508925), (625, 32168568), (750, 26807140), (1000, 20105355), (1250, 16084284), (1500, 13403570), (1875, 10722856), (2500, 8042142), (3000, 6701785), (3750, 5361428), (5000, 4021071), (7500, 2680714), (15000, 1340357)]