8051000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 19262880

約数和(自身を除く): 11211880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 97, 100, 125, 166, 194, 200, 250, 332, 388, 415, 485, 500, 664, 776, 830, 970, 1000, 1660, 1940, 2075, 2425, 3320, 3880, 4150, 4850, 8051, 8300, 9700, 10375, 12125, 16102, 16600, 19400, 20750, 24250, 32204, 40255, 41500, 48500, 64408, 80510, 83000, 97000, 161020, 201275, 322040, 402550, 805100, 1006375, 1610200, 2012750, 4025500, 8051000]

約数ペア:

[(1, 8051000), (2, 4025500), (4, 2012750), (5, 1610200), (8, 1006375), (10, 805100), (20, 402550), (25, 322040), (40, 201275), (50, 161020), (83, 97000), (97, 83000), (100, 80510), (125, 64408), (166, 48500), (194, 41500), (200, 40255), (250, 32204), (332, 24250), (388, 20750), (415, 19400), (485, 16600), (500, 16102), (664, 12125), (776, 10375), (830, 9700), (970, 8300), (1000, 8051), (1660, 4850), (1940, 4150), (2075, 3880), (2425, 3320)]