78662020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 171360000

約数和(自身を除く): 92697980

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 470, 670, 940, 1249, 1340, 2498, 3149, 4996, 6245, 6298, 12490, 12596, 15745, 24980, 31490, 58703, 62980, 83683, 117406, 167366, 234812, 293515, 334732, 418415, 587030, 836830, 1174060, 1673660, 3933101, 7866202, 15732404, 19665505, 39331010, 78662020]

約数ペア:

[(1, 78662020), (2, 39331010), (4, 19665505), (5, 15732404), (10, 7866202), (20, 3933101), (47, 1673660), (67, 1174060), (94, 836830), (134, 587030), (188, 418415), (235, 334732), (268, 293515), (335, 234812), (470, 167366), (670, 117406), (940, 83683), (1249, 62980), (1340, 58703), (2498, 31490), (3149, 24980), (4996, 15745), (6245, 12596), (6298, 12490)]