55644620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 121746240

約数和(自身を除く): 66101620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 290, 394, 487, 580, 788, 974, 985, 1948, 1970, 2435, 3940, 4870, 5713, 9740, 11426, 14123, 22852, 28246, 28565, 56492, 57130, 70615, 95939, 114260, 141230, 191878, 282460, 383756, 479695, 959390, 1918780, 2782231, 5564462, 11128924, 13911155, 27822310, 55644620]

約数ペア:

[(1, 55644620), (2, 27822310), (4, 13911155), (5, 11128924), (10, 5564462), (20, 2782231), (29, 1918780), (58, 959390), (116, 479695), (145, 383756), (197, 282460), (290, 191878), (394, 141230), (487, 114260), (580, 95939), (788, 70615), (974, 57130), (985, 56492), (1948, 28565), (1970, 28246), (2435, 22852), (3940, 14123), (4870, 11426), (5713, 9740)]