72406000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 80

約数和(自身を含む): 179551008

約数和(自身を除く): 107145008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 820, 883, 1000, 1025, 1640, 1766, 2000, 2050, 3280, 3532, 4100, 4415, 5125, 7064, 8200, 8830, 10250, 14128, 16400, 17660, 20500, 22075, 35320, 36203, 41000, 44150, 70640, 72406, 82000, 88300, 110375, 144812, 176600, 181015, 220750, 289624, 353200, 362030, 441500, 579248, 724060, 883000, 905075, 1448120, 1766000, 1810150, 2896240, 3620300, 4525375, 7240600, 9050750, 14481200, 18101500, 36203000, 72406000]

約数ペア:

[(1, 72406000), (2, 36203000), (4, 18101500), (5, 14481200), (8, 9050750), (10, 7240600), (16, 4525375), (20, 3620300), (25, 2896240), (40, 1810150), (41, 1766000), (50, 1448120), (80, 905075), (82, 883000), (100, 724060), (125, 579248), (164, 441500), (200, 362030), (205, 353200), (250, 289624), (328, 220750), (400, 181015), (410, 176600), (500, 144812), (656, 110375), (820, 88300), (883, 82000), (1000, 72406), (1025, 70640), (1640, 44150), (1766, 41000), (2000, 36203), (2050, 35320), (3280, 22075), (3532, 20500), (4100, 17660), (4415, 16400), (5125, 14128), (7064, 10250), (8200, 8830)]