63974980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 137410560

約数和(自身を除く): 73435580

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 283, 356, 445, 508, 566, 635, 890, 1132, 1270, 1415, 1780, 2540, 2830, 5660, 11303, 22606, 25187, 35941, 45212, 50374, 56515, 71882, 100748, 113030, 125935, 143764, 179705, 226060, 251870, 359410, 503740, 718820, 3198749, 6397498, 12794996, 15993745, 31987490, 63974980]

約数ペア:

[(1, 63974980), (2, 31987490), (4, 15993745), (5, 12794996), (10, 6397498), (20, 3198749), (89, 718820), (127, 503740), (178, 359410), (254, 251870), (283, 226060), (356, 179705), (445, 143764), (508, 125935), (566, 113030), (635, 100748), (890, 71882), (1132, 56515), (1270, 50374), (1415, 45212), (1780, 35941), (2540, 25187), (2830, 22606), (5660, 11303)]