64791500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 143017056

約数和(自身を除く): 78225556

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 1283, 2020, 2525, 2566, 5050, 5132, 6415, 10100, 12625, 12830, 25250, 25660, 32075, 50500, 64150, 128300, 129583, 160375, 259166, 320750, 518332, 641500, 647915, 1295830, 2591660, 3239575, 6479150, 12958300, 16197875, 32395750, 64791500]

約数ペア:

[(1, 64791500), (2, 32395750), (4, 16197875), (5, 12958300), (10, 6479150), (20, 3239575), (25, 2591660), (50, 1295830), (100, 647915), (101, 641500), (125, 518332), (202, 320750), (250, 259166), (404, 160375), (500, 129583), (505, 128300), (1010, 64150), (1283, 50500), (2020, 32075), (2525, 25660), (2566, 25250), (5050, 12830), (5132, 12625), (6415, 10100)]