64716594380

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1\times {\mathrm{20947}}^1$

素因数の和:21998

約数の個数: 48

約数和(自身を含む): 136828984320

約数和(自身を除く): 72112389940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 863, 895, 1726, 1790, 3452, 3580, 4315, 8630, 17260, 20947, 41894, 83788, 104735, 154477, 209470, 308954, 418940, 617908, 772385, 1544770, 3089540, 3749513, 7499026, 14998052, 18077261, 18747565, 36154522, 37495130, 72309044, 74990260, 90386305, 180772610, 361545220, 3235829719, 6471659438, 12943318876, 16179148595, 32358297190, 64716594380]

約数ペア:

[(1, 64716594380), (2, 32358297190), (4, 16179148595), (5, 12943318876), (10, 6471659438), (20, 3235829719), (179, 361545220), (358, 180772610), (716, 90386305), (863, 74990260), (895, 72309044), (1726, 37495130), (1790, 36154522), (3452, 18747565), (3580, 18077261), (4315, 14998052), (8630, 7499026), (17260, 3749513), (20947, 3089540), (41894, 1544770), (83788, 772385), (104735, 617908), (154477, 418940), (209470, 308954)]