12764120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 30270240

約数和(自身を除く): 17506120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 181, 205, 215, 328, 344, 362, 410, 430, 724, 820, 860, 905, 1448, 1640, 1720, 1763, 1810, 3526, 3620, 7052, 7240, 7421, 7783, 8815, 14104, 14842, 15566, 17630, 29684, 31132, 35260, 37105, 38915, 59368, 62264, 70520, 74210, 77830, 148420, 155660, 296840, 311320, 319103, 638206, 1276412, 1595515, 2552824, 3191030, 6382060, 12764120]

約数ペア:

[(1, 12764120), (2, 6382060), (4, 3191030), (5, 2552824), (8, 1595515), (10, 1276412), (20, 638206), (40, 319103), (41, 311320), (43, 296840), (82, 155660), (86, 148420), (164, 77830), (172, 74210), (181, 70520), (205, 62264), (215, 59368), (328, 38915), (344, 37105), (362, 35260), (410, 31132), (430, 29684), (724, 17630), (820, 15566), (860, 14842), (905, 14104), (1448, 8815), (1640, 7783), (1720, 7421), (1763, 7240), (1810, 7052), (3526, 3620)]