2013132560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811747}}^1$

素因数の和:811791

約数の個数: 40

約数和(自身を含む): 4831524096

約数和(自身を除く): 2818391536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 811747, 1623494, 3246988, 4058735, 6493976, 8117470, 12987952, 16234940, 25164157, 32469880, 50328314, 64939760, 100656628, 125820785, 201313256, 251641570, 402626512, 503283140, 1006566280, 2013132560]

約数ペア:

[(1, 2013132560), (2, 1006566280), (4, 503283140), (5, 402626512), (8, 251641570), (10, 201313256), (16, 125820785), (20, 100656628), (31, 64939760), (40, 50328314), (62, 32469880), (80, 25164157), (124, 16234940), (155, 12987952), (248, 8117470), (310, 6493976), (496, 4058735), (620, 3246988), (1240, 1623494), (2480, 811747)]