12937040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19203760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 89, 92, 115, 158, 178, 184, 230, 316, 356, 368, 395, 445, 460, 632, 712, 790, 890, 920, 1264, 1424, 1580, 1780, 1817, 1840, 2047, 3160, 3560, 3634, 4094, 6320, 7031, 7120, 7268, 8188, 9085, 10235, 14062, 14536, 16376, 18170, 20470, 28124, 29072, 32752, 35155, 36340, 40940, 56248, 70310, 72680, 81880, 112496, 140620, 145360, 161713, 163760, 281240, 323426, 562480, 646852, 808565, 1293704, 1617130, 2587408, 3234260, 6468520, 12937040]

約数ペア:

[(1, 12937040), (2, 6468520), (4, 3234260), (5, 2587408), (8, 1617130), (10, 1293704), (16, 808565), (20, 646852), (23, 562480), (40, 323426), (46, 281240), (79, 163760), (80, 161713), (89, 145360), (92, 140620), (115, 112496), (158, 81880), (178, 72680), (184, 70310), (230, 56248), (316, 40940), (356, 36340), (368, 35155), (395, 32752), (445, 29072), (460, 28124), (632, 20470), (712, 18170), (790, 16376), (890, 14536), (920, 14062), (1264, 10235), (1424, 9085), (1580, 8188), (1780, 7268), (1817, 7120), (1840, 7031), (2047, 6320), (3160, 4094), (3560, 3634)]