82528120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 190836000

約数和(自身を除く): 108307880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 227, 244, 298, 305, 454, 488, 596, 610, 745, 908, 1135, 1192, 1220, 1490, 1816, 2270, 2440, 2980, 4540, 5960, 9080, 9089, 13847, 18178, 27694, 33823, 36356, 45445, 55388, 67646, 69235, 72712, 90890, 110776, 135292, 138470, 169115, 181780, 270584, 276940, 338230, 363560, 553880, 676460, 1352920, 2063203, 4126406, 8252812, 10316015, 16505624, 20632030, 41264060, 82528120]

約数ペア:

[(1, 82528120), (2, 41264060), (4, 20632030), (5, 16505624), (8, 10316015), (10, 8252812), (20, 4126406), (40, 2063203), (61, 1352920), (122, 676460), (149, 553880), (227, 363560), (244, 338230), (298, 276940), (305, 270584), (454, 181780), (488, 169115), (596, 138470), (610, 135292), (745, 110776), (908, 90890), (1135, 72712), (1192, 69235), (1220, 67646), (1490, 55388), (1816, 45445), (2270, 36356), (2440, 33823), (2980, 27694), (4540, 18178), (5960, 13847), (9080, 9089)]