12408520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 30456000

約数和(自身を除く): 18047480

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, 563, 580, 760, 1102, 1126, 1160, 2204, 2252, 2755, 2815, 4408, 4504, 5510, 5630, 10697, 11020, 11260, 16327, 21394, 22040, 22520, 32654, 42788, 53485, 65308, 81635, 85576, 106970, 130616, 163270, 213940, 310213, 326540, 427880, 620426, 653080, 1240852, 1551065, 2481704, 3102130, 6204260, 12408520]

約数ペア:

[(1, 12408520), (2, 6204260), (4, 3102130), (5, 2481704), (8, 1551065), (10, 1240852), (19, 653080), (20, 620426), (29, 427880), (38, 326540), (40, 310213), (58, 213940), (76, 163270), (95, 130616), (116, 106970), (145, 85576), (152, 81635), (190, 65308), (232, 53485), (290, 42788), (380, 32654), (551, 22520), (563, 22040), (580, 21394), (760, 16327), (1102, 11260), (1126, 11020), (1160, 10697), (2204, 5630), (2252, 5510), (2755, 4504), (2815, 4408)]