27648220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 32670500

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 439, 470, 670, 878, 940, 1340, 1756, 2195, 3149, 4390, 6298, 8780, 12596, 15745, 20633, 29413, 31490, 41266, 58826, 62980, 82532, 103165, 117652, 147065, 206330, 294130, 412660, 588260, 1382411, 2764822, 5529644, 6912055, 13824110, 27648220]

約数ペア:

[(1, 27648220), (2, 13824110), (4, 6912055), (5, 5529644), (10, 2764822), (20, 1382411), (47, 588260), (67, 412660), (94, 294130), (134, 206330), (188, 147065), (235, 117652), (268, 103165), (335, 82532), (439, 62980), (470, 58826), (670, 41266), (878, 31490), (940, 29413), (1340, 20633), (1756, 15745), (2195, 12596), (3149, 8780), (4390, 6298)]