13907240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 34128000

約数和(自身を除く): 20220760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 631, 760, 1102, 1160, 1262, 2204, 2524, 2755, 3155, 4408, 5048, 5510, 6310, 11020, 11989, 12620, 18299, 22040, 23978, 25240, 36598, 47956, 59945, 73196, 91495, 95912, 119890, 146392, 182990, 239780, 347681, 365980, 479560, 695362, 731960, 1390724, 1738405, 2781448, 3476810, 6953620, 13907240]

約数ペア:

[(1, 13907240), (2, 6953620), (4, 3476810), (5, 2781448), (8, 1738405), (10, 1390724), (19, 731960), (20, 695362), (29, 479560), (38, 365980), (40, 347681), (58, 239780), (76, 182990), (95, 146392), (116, 119890), (145, 95912), (152, 91495), (190, 73196), (232, 59945), (290, 47956), (380, 36598), (551, 25240), (580, 23978), (631, 22040), (760, 18299), (1102, 12620), (1160, 11989), (1262, 11020), (2204, 6310), (2524, 5510), (2755, 5048), (3155, 4408)]