39807880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8363}}^1$

素因数の和:8398

約数の個数: 64

約数和(自身を含む): 108397440

約数和(自身を除く): 68589560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 8363, 16726, 33452, 41815, 58541, 66904, 83630, 117082, 142171, 167260, 234164, 284342, 292705, 334520, 468328, 568684, 585410, 710855, 995197, 1137368, 1170820, 1421710, 1990394, 2341640, 2843420, 3980788, 4975985, 5686840, 7961576, 9951970, 19903940, 39807880]

約数ペア:

[(1, 39807880), (2, 19903940), (4, 9951970), (5, 7961576), (7, 5686840), (8, 4975985), (10, 3980788), (14, 2843420), (17, 2341640), (20, 1990394), (28, 1421710), (34, 1170820), (35, 1137368), (40, 995197), (56, 710855), (68, 585410), (70, 568684), (85, 468328), (119, 334520), (136, 292705), (140, 284342), (170, 234164), (238, 167260), (280, 142171), (340, 117082), (476, 83630), (595, 66904), (680, 58541), (952, 41815), (1190, 33452), (2380, 16726), (4760, 8363)]