80529020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 204313536

約数和(自身を除く): 123784516

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 130, 143, 148, 185, 220, 260, 286, 370, 407, 481, 572, 715, 740, 761, 814, 962, 1430, 1522, 1628, 1924, 2035, 2405, 2860, 3044, 3805, 4070, 4810, 5291, 7610, 8140, 8371, 9620, 9893, 10582, 15220, 16742, 19786, 21164, 26455, 28157, 33484, 39572, 41855, 49465, 52910, 56314, 83710, 98930, 105820, 108823, 112628, 140785, 167420, 197860, 217646, 281570, 309727, 366041, 435292, 544115, 563140, 619454, 732082, 1088230, 1238908, 1464164, 1548635, 1830205, 2176460, 3097270, 3660410, 4026451, 6194540, 7320820, 8052902, 16105804, 20132255, 40264510, 80529020]

約数ペア:

[(1, 80529020), (2, 40264510), (4, 20132255), (5, 16105804), (10, 8052902), (11, 7320820), (13, 6194540), (20, 4026451), (22, 3660410), (26, 3097270), (37, 2176460), (44, 1830205), (52, 1548635), (55, 1464164), (65, 1238908), (74, 1088230), (110, 732082), (130, 619454), (143, 563140), (148, 544115), (185, 435292), (220, 366041), (260, 309727), (286, 281570), (370, 217646), (407, 197860), (481, 167420), (572, 140785), (715, 112628), (740, 108823), (761, 105820), (814, 98930), (962, 83710), (1430, 56314), (1522, 52910), (1628, 49465), (1924, 41855), (2035, 39572), (2405, 33484), (2860, 28157), (3044, 26455), (3805, 21164), (4070, 19786), (4810, 16742), (5291, 15220), (7610, 10582), (8140, 9893), (8371, 9620)]