31938220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 68852448

約数和(自身を除く): 36914228

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 163, 194, 202, 326, 388, 404, 485, 505, 652, 815, 970, 1010, 1630, 1940, 2020, 3260, 9797, 15811, 16463, 19594, 31622, 32926, 39188, 48985, 63244, 65852, 79055, 82315, 97970, 158110, 164630, 195940, 316220, 329260, 1596911, 3193822, 6387644, 7984555, 15969110, 31938220]

約数ペア:

[(1, 31938220), (2, 15969110), (4, 7984555), (5, 6387644), (10, 3193822), (20, 1596911), (97, 329260), (101, 316220), (163, 195940), (194, 164630), (202, 158110), (326, 97970), (388, 82315), (404, 79055), (485, 65852), (505, 63244), (652, 48985), (815, 39188), (970, 32926), (1010, 31622), (1630, 19594), (1940, 16463), (2020, 15811), (3260, 9797)]