80213480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 192456000

約数和(自身を除く): 112242520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 659, 680, 716, 895, 1318, 1432, 1790, 2636, 3043, 3295, 3580, 5272, 6086, 6590, 7160, 11203, 12172, 13180, 15215, 22406, 24344, 26360, 30430, 44812, 56015, 60860, 89624, 112030, 117961, 121720, 224060, 235922, 448120, 471844, 589805, 943688, 1179610, 2005337, 2359220, 4010674, 4718440, 8021348, 10026685, 16042696, 20053370, 40106740, 80213480]

約数ペア:

[(1, 80213480), (2, 40106740), (4, 20053370), (5, 16042696), (8, 10026685), (10, 8021348), (17, 4718440), (20, 4010674), (34, 2359220), (40, 2005337), (68, 1179610), (85, 943688), (136, 589805), (170, 471844), (179, 448120), (340, 235922), (358, 224060), (659, 121720), (680, 117961), (716, 112030), (895, 89624), (1318, 60860), (1432, 56015), (1790, 44812), (2636, 30430), (3043, 26360), (3295, 24344), (3580, 22406), (5272, 15215), (6086, 13180), (6590, 12172), (7160, 11203)]