40489228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 81285120

約数和(自身を除く): 40795892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 107, 214, 247, 383, 428, 494, 766, 988, 1391, 1532, 2033, 2782, 4066, 4979, 5564, 7277, 8132, 9958, 14554, 19916, 26429, 29108, 40981, 52858, 81962, 94601, 105716, 163924, 189202, 378404, 532753, 778639, 1065506, 1557278, 2131012, 3114556, 10122307, 20244614, 40489228]

約数ペア:

[(1, 40489228), (2, 20244614), (4, 10122307), (13, 3114556), (19, 2131012), (26, 1557278), (38, 1065506), (52, 778639), (76, 532753), (107, 378404), (214, 189202), (247, 163924), (383, 105716), (428, 94601), (494, 81962), (766, 52858), (988, 40981), (1391, 29108), (1532, 26429), (2033, 19916), (2782, 14554), (4066, 9958), (4979, 8132), (5564, 7277)]