8380240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 21695040

約数和(自身を除く): 13314800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 107, 110, 176, 178, 214, 220, 356, 428, 440, 445, 535, 712, 856, 880, 890, 979, 1070, 1177, 1424, 1712, 1780, 1958, 2140, 2354, 3560, 3916, 4280, 4708, 4895, 5885, 7120, 7832, 8560, 9416, 9523, 9790, 11770, 15664, 18832, 19046, 19580, 23540, 38092, 39160, 47080, 47615, 76184, 78320, 94160, 95230, 104753, 152368, 190460, 209506, 380920, 419012, 523765, 761840, 838024, 1047530, 1676048, 2095060, 4190120, 8380240]

約数ペア:

[(1, 8380240), (2, 4190120), (4, 2095060), (5, 1676048), (8, 1047530), (10, 838024), (11, 761840), (16, 523765), (20, 419012), (22, 380920), (40, 209506), (44, 190460), (55, 152368), (80, 104753), (88, 95230), (89, 94160), (107, 78320), (110, 76184), (176, 47615), (178, 47080), (214, 39160), (220, 38092), (356, 23540), (428, 19580), (440, 19046), (445, 18832), (535, 15664), (712, 11770), (856, 9790), (880, 9523), (890, 9416), (979, 8560), (1070, 7832), (1177, 7120), (1424, 5885), (1712, 4895), (1780, 4708), (1958, 4280), (2140, 3916), (2354, 3560)]