80350120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 186157440

約数和(自身を除く): 105807320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 151, 212, 251, 265, 302, 424, 502, 530, 604, 755, 1004, 1060, 1208, 1255, 1510, 2008, 2120, 2510, 3020, 5020, 6040, 8003, 10040, 13303, 16006, 26606, 32012, 37901, 40015, 53212, 64024, 66515, 75802, 80030, 106424, 133030, 151604, 160060, 189505, 266060, 303208, 320120, 379010, 532120, 758020, 1516040, 2008753, 4017506, 8035012, 10043765, 16070024, 20087530, 40175060, 80350120]

約数ペア:

[(1, 80350120), (2, 40175060), (4, 20087530), (5, 16070024), (8, 10043765), (10, 8035012), (20, 4017506), (40, 2008753), (53, 1516040), (106, 758020), (151, 532120), (212, 379010), (251, 320120), (265, 303208), (302, 266060), (424, 189505), (502, 160060), (530, 151604), (604, 133030), (755, 106424), (1004, 80030), (1060, 75802), (1208, 66515), (1255, 64024), (1510, 53212), (2008, 40015), (2120, 37901), (2510, 32012), (3020, 26606), (5020, 16006), (6040, 13303), (8003, 10040)]