31207177520

素因数分解:

$2^4\times 5^1\times {\mathrm{14321}}^1\times {\mathrm{27239}}^1$

素因数の和:41573

約数の個数: 40

約数和(自身を含む): 72564418080

約数和(自身を除く): 41357240560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 14321, 27239, 28642, 54478, 57284, 71605, 108956, 114568, 136195, 143210, 217912, 229136, 272390, 286420, 435824, 544780, 572840, 1089560, 1145680, 2179120, 390089719, 780179438, 1560358876, 1950448595, 3120717752, 3900897190, 6241435504, 7801794380, 15603588760, 31207177520]

約数ペア:

[(1, 31207177520), (2, 15603588760), (4, 7801794380), (5, 6241435504), (8, 3900897190), (10, 3120717752), (16, 1950448595), (20, 1560358876), (40, 780179438), (80, 390089719), (14321, 2179120), (27239, 1145680), (28642, 1089560), (54478, 572840), (57284, 544780), (71605, 435824), (108956, 286420), (114568, 272390), (136195, 229136), (143210, 217912)]