9817840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7219}}^1$

素因数の和:7249

約数の個数: 40

約数和(自身を含む): 24172560

約数和(自身を除く): 14354720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 7219, 14438, 28876, 36095, 57752, 72190, 115504, 122723, 144380, 245446, 288760, 490892, 577520, 613615, 981784, 1227230, 1963568, 2454460, 4908920, 9817840]

約数ペア:

[(1, 9817840), (2, 4908920), (4, 2454460), (5, 1963568), (8, 1227230), (10, 981784), (16, 613615), (17, 577520), (20, 490892), (34, 288760), (40, 245446), (68, 144380), (80, 122723), (85, 115504), (136, 72190), (170, 57752), (272, 36095), (340, 28876), (680, 14438), (1360, 7219)]