16844780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 20168980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 269, 310, 404, 505, 538, 620, 1010, 1076, 1345, 2020, 2690, 3131, 5380, 6262, 8339, 12524, 15655, 16678, 27169, 31310, 33356, 41695, 54338, 62620, 83390, 108676, 135845, 166780, 271690, 543380, 842239, 1684478, 3368956, 4211195, 8422390, 16844780]

約数ペア:

[(1, 16844780), (2, 8422390), (4, 4211195), (5, 3368956), (10, 1684478), (20, 842239), (31, 543380), (62, 271690), (101, 166780), (124, 135845), (155, 108676), (202, 83390), (269, 62620), (310, 54338), (404, 41695), (505, 33356), (538, 31310), (620, 27169), (1010, 16678), (1076, 15655), (1345, 12524), (2020, 8339), (2690, 6262), (3131, 5380)]