64201520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47207}}^1$

素因数の和:47237

約数の個数: 40

約数和(自身を含む): 158052384

約数和(自身を除く): 93850864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47207, 94414, 188828, 236035, 377656, 472070, 755312, 802519, 944140, 1605038, 1888280, 3210076, 3776560, 4012595, 6420152, 8025190, 12840304, 16050380, 32100760, 64201520]

約数ペア:

[(1, 64201520), (2, 32100760), (4, 16050380), (5, 12840304), (8, 8025190), (10, 6420152), (16, 4012595), (17, 3776560), (20, 3210076), (34, 1888280), (40, 1605038), (68, 944140), (80, 802519), (85, 755312), (136, 472070), (170, 377656), (272, 236035), (340, 188828), (680, 94414), (1360, 47207)]