16817876560

素因数分解:

$2^4\times 5^1\times {\mathrm{9859}}^1\times {\mathrm{21323}}^1$

素因数の和:31195

約数の個数: 40

約数和(自身を含む): 39107363040

約数和(自身を除く): 22289486480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9859, 19718, 21323, 39436, 42646, 49295, 78872, 85292, 98590, 106615, 157744, 170584, 197180, 213230, 341168, 394360, 426460, 788720, 852920, 1705840, 210223457, 420446914, 840893828, 1051117285, 1681787656, 2102234570, 3363575312, 4204469140, 8408938280, 16817876560]

約数ペア:

[(1, 16817876560), (2, 8408938280), (4, 4204469140), (5, 3363575312), (8, 2102234570), (10, 1681787656), (16, 1051117285), (20, 840893828), (40, 420446914), (80, 210223457), (9859, 1705840), (19718, 852920), (21323, 788720), (39436, 426460), (42646, 394360), (49295, 341168), (78872, 213230), (85292, 197180), (98590, 170584), (106615, 157744)]