12873640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 32860800

約数和(自身を除く): 19987160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1303, 1976, 2470, 2606, 4940, 5212, 6515, 9880, 10424, 13030, 16939, 24757, 26060, 33878, 49514, 52120, 67756, 84695, 99028, 123785, 135512, 169390, 198056, 247570, 321841, 338780, 495140, 643682, 677560, 990280, 1287364, 1609205, 2574728, 3218410, 6436820, 12873640]

約数ペア:

[(1, 12873640), (2, 6436820), (4, 3218410), (5, 2574728), (8, 1609205), (10, 1287364), (13, 990280), (19, 677560), (20, 643682), (26, 495140), (38, 338780), (40, 321841), (52, 247570), (65, 198056), (76, 169390), (95, 135512), (104, 123785), (130, 99028), (152, 84695), (190, 67756), (247, 52120), (260, 49514), (380, 33878), (494, 26060), (520, 24757), (760, 16939), (988, 13030), (1235, 10424), (1303, 9880), (1976, 6515), (2470, 5212), (2606, 4940)]