28401580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 64834560

約数和(自身を除く): 36432980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2411, 2945, 4822, 5890, 9644, 11780, 12055, 24110, 45809, 48220, 74741, 91618, 149482, 183236, 229045, 298964, 373705, 458090, 747410, 916180, 1420079, 1494820, 2840158, 5680316, 7100395, 14200790, 28401580]

約数ペア:

[(1, 28401580), (2, 14200790), (4, 7100395), (5, 5680316), (10, 2840158), (19, 1494820), (20, 1420079), (31, 916180), (38, 747410), (62, 458090), (76, 373705), (95, 298964), (124, 229045), (155, 183236), (190, 149482), (310, 91618), (380, 74741), (589, 48220), (620, 45809), (1178, 24110), (2356, 12055), (2411, 11780), (2945, 9644), (4822, 5890)]