1640761250

素因数分解:

$2^1\times 5^4\times {\mathrm{443}}^1\times {\mathrm{2963}}^1$

素因数の和:3428

約数の個数: 40

約数和(自身を含む): 3083425488

約数和(自身を除く): 1442664238

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 443, 625, 886, 1250, 2215, 2963, 4430, 5926, 11075, 14815, 22150, 29630, 55375, 74075, 110750, 148150, 276875, 370375, 553750, 740750, 1312609, 1851875, 2625218, 3703750, 6563045, 13126090, 32815225, 65630450, 164076125, 328152250, 820380625, 1640761250]

約数ペア:

[(1, 1640761250), (2, 820380625), (5, 328152250), (10, 164076125), (25, 65630450), (50, 32815225), (125, 13126090), (250, 6563045), (443, 3703750), (625, 2625218), (886, 1851875), (1250, 1312609), (2215, 740750), (2963, 553750), (4430, 370375), (5926, 276875), (11075, 148150), (14815, 110750), (22150, 74075), (29630, 55375)]