86290640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 215825472

約数和(自身を除く): 129534832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 947, 1072, 1139, 1340, 1360, 1894, 2278, 2680, 3788, 4556, 4735, 5360, 5695, 7576, 9112, 9470, 11390, 15152, 16099, 18224, 18940, 22780, 32198, 37880, 45560, 63449, 64396, 75760, 80495, 91120, 126898, 128792, 160990, 253796, 257584, 317245, 321980, 507592, 634490, 643960, 1015184, 1078633, 1268980, 1287920, 2157266, 2537960, 4314532, 5075920, 5393165, 8629064, 10786330, 17258128, 21572660, 43145320, 86290640]

約数ペア:

[(1, 86290640), (2, 43145320), (4, 21572660), (5, 17258128), (8, 10786330), (10, 8629064), (16, 5393165), (17, 5075920), (20, 4314532), (34, 2537960), (40, 2157266), (67, 1287920), (68, 1268980), (80, 1078633), (85, 1015184), (134, 643960), (136, 634490), (170, 507592), (268, 321980), (272, 317245), (335, 257584), (340, 253796), (536, 160990), (670, 128792), (680, 126898), (947, 91120), (1072, 80495), (1139, 75760), (1340, 64396), (1360, 63449), (1894, 45560), (2278, 37880), (2680, 32198), (3788, 22780), (4556, 18940), (4735, 18224), (5360, 16099), (5695, 15152), (7576, 11390), (9112, 9470)]