38869040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 80

約数和(自身を含む): 106659840

約数和(自身を除く): 67790800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2239, 2480, 3472, 4340, 4478, 8680, 8956, 11195, 15673, 17360, 17912, 22390, 31346, 35824, 44780, 62692, 69409, 78365, 89560, 125384, 138818, 156730, 179120, 250768, 277636, 313460, 347045, 485863, 555272, 626920, 694090, 971726, 1110544, 1253840, 1388180, 1943452, 2429315, 2776360, 3886904, 4858630, 5552720, 7773808, 9717260, 19434520, 38869040]

約数ペア:

[(1, 38869040), (2, 19434520), (4, 9717260), (5, 7773808), (7, 5552720), (8, 4858630), (10, 3886904), (14, 2776360), (16, 2429315), (20, 1943452), (28, 1388180), (31, 1253840), (35, 1110544), (40, 971726), (56, 694090), (62, 626920), (70, 555272), (80, 485863), (112, 347045), (124, 313460), (140, 277636), (155, 250768), (217, 179120), (248, 156730), (280, 138818), (310, 125384), (434, 89560), (496, 78365), (560, 69409), (620, 62692), (868, 44780), (1085, 35824), (1240, 31346), (1736, 22390), (2170, 17912), (2239, 17360), (2480, 15673), (3472, 11195), (4340, 8956), (4478, 8680)]