38166760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 88646400

約数和(自身を除く): 50479640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 151, 178, 284, 302, 355, 356, 445, 568, 604, 710, 712, 755, 890, 1208, 1420, 1510, 1780, 2840, 3020, 3560, 6040, 6319, 10721, 12638, 13439, 21442, 25276, 26878, 31595, 42884, 50552, 53605, 53756, 63190, 67195, 85768, 107210, 107512, 126380, 134390, 214420, 252760, 268780, 428840, 537560, 954169, 1908338, 3816676, 4770845, 7633352, 9541690, 19083380, 38166760]

約数ペア:

[(1, 38166760), (2, 19083380), (4, 9541690), (5, 7633352), (8, 4770845), (10, 3816676), (20, 1908338), (40, 954169), (71, 537560), (89, 428840), (142, 268780), (151, 252760), (178, 214420), (284, 134390), (302, 126380), (355, 107512), (356, 107210), (445, 85768), (568, 67195), (604, 63190), (710, 53756), (712, 53605), (755, 50552), (890, 42884), (1208, 31595), (1420, 26878), (1510, 25276), (1780, 21442), (2840, 13439), (3020, 12638), (3560, 10721), (6040, 6319)]