31631780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 69210624

約数和(自身を除く): 37578844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 313, 326, 620, 626, 652, 815, 1252, 1565, 1630, 3130, 3260, 5053, 6260, 9703, 10106, 19406, 20212, 25265, 38812, 48515, 50530, 51019, 97030, 101060, 102038, 194060, 204076, 255095, 510190, 1020380, 1581589, 3163178, 6326356, 7907945, 15815890, 31631780]

約数ペア:

[(1, 31631780), (2, 15815890), (4, 7907945), (5, 6326356), (10, 3163178), (20, 1581589), (31, 1020380), (62, 510190), (124, 255095), (155, 204076), (163, 194060), (310, 102038), (313, 101060), (326, 97030), (620, 51019), (626, 50530), (652, 48515), (815, 38812), (1252, 25265), (1565, 20212), (1630, 19406), (3130, 10106), (3260, 9703), (5053, 6260)]