66505000

素因数分解:

$2^3\times 5^4\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 159698880

約数和(自身を除く): 93193880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 283, 376, 470, 500, 566, 625, 940, 1000, 1132, 1175, 1250, 1415, 1880, 2264, 2350, 2500, 2830, 4700, 5000, 5660, 5875, 7075, 9400, 11320, 11750, 13301, 14150, 23500, 26602, 28300, 29375, 35375, 47000, 53204, 56600, 58750, 66505, 70750, 106408, 117500, 133010, 141500, 176875, 235000, 266020, 283000, 332525, 353750, 532040, 665050, 707500, 1330100, 1415000, 1662625, 2660200, 3325250, 6650500, 8313125, 13301000, 16626250, 33252500, 66505000]

約数ペア:

[(1, 66505000), (2, 33252500), (4, 16626250), (5, 13301000), (8, 8313125), (10, 6650500), (20, 3325250), (25, 2660200), (40, 1662625), (47, 1415000), (50, 1330100), (94, 707500), (100, 665050), (125, 532040), (188, 353750), (200, 332525), (235, 283000), (250, 266020), (283, 235000), (376, 176875), (470, 141500), (500, 133010), (566, 117500), (625, 106408), (940, 70750), (1000, 66505), (1132, 58750), (1175, 56600), (1250, 53204), (1415, 47000), (1880, 35375), (2264, 29375), (2350, 28300), (2500, 26602), (2830, 23500), (4700, 14150), (5000, 13301), (5660, 11750), (5875, 11320), (7075, 9400)]