1295320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 3265920

約数和(自身を除く): 1970600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 53, 65, 94, 104, 106, 130, 188, 212, 235, 260, 265, 376, 424, 470, 520, 530, 611, 689, 940, 1060, 1222, 1378, 1880, 2120, 2444, 2491, 2756, 3055, 3445, 4888, 4982, 5512, 6110, 6890, 9964, 12220, 12455, 13780, 19928, 24440, 24910, 27560, 32383, 49820, 64766, 99640, 129532, 161915, 259064, 323830, 647660, 1295320]

約数ペア:

[(1, 1295320), (2, 647660), (4, 323830), (5, 259064), (8, 161915), (10, 129532), (13, 99640), (20, 64766), (26, 49820), (40, 32383), (47, 27560), (52, 24910), (53, 24440), (65, 19928), (94, 13780), (104, 12455), (106, 12220), (130, 9964), (188, 6890), (212, 6110), (235, 5512), (260, 4982), (265, 4888), (376, 3445), (424, 3055), (470, 2756), (520, 2491), (530, 2444), (611, 2120), (689, 1880), (940, 1378), (1060, 1222)]