67686250

素因数分解:

$2^1\times 5^4\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:508

約数の個数: 40

約数和(自身を含む): 128012148

約数和(自身を除く): 60325898

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 313, 346, 625, 626, 865, 1250, 1565, 1730, 3130, 4325, 7825, 8650, 15650, 21625, 39125, 43250, 54149, 78250, 108125, 108298, 195625, 216250, 270745, 391250, 541490, 1353725, 2707450, 6768625, 13537250, 33843125, 67686250]

約数ペア:

[(1, 67686250), (2, 33843125), (5, 13537250), (10, 6768625), (25, 2707450), (50, 1353725), (125, 541490), (173, 391250), (250, 270745), (313, 216250), (346, 195625), (625, 108298), (626, 108125), (865, 78250), (1250, 54149), (1565, 43250), (1730, 39125), (3130, 21625), (4325, 15650), (7825, 8650)]