53780680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 124467840

約数和(自身を除く): 70687160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 167, 194, 332, 334, 388, 415, 485, 664, 668, 776, 830, 835, 970, 1336, 1660, 1670, 1940, 3320, 3340, 3880, 6680, 8051, 13861, 16102, 16199, 27722, 32204, 32398, 40255, 55444, 64408, 64796, 69305, 80510, 80995, 110888, 129592, 138610, 161020, 161990, 277220, 322040, 323980, 554440, 647960, 1344517, 2689034, 5378068, 6722585, 10756136, 13445170, 26890340, 53780680]

約数ペア:

[(1, 53780680), (2, 26890340), (4, 13445170), (5, 10756136), (8, 6722585), (10, 5378068), (20, 2689034), (40, 1344517), (83, 647960), (97, 554440), (166, 323980), (167, 322040), (194, 277220), (332, 161990), (334, 161020), (388, 138610), (415, 129592), (485, 110888), (664, 80995), (668, 80510), (776, 69305), (830, 64796), (835, 64408), (970, 55444), (1336, 40255), (1660, 32398), (1670, 32204), (1940, 27722), (3320, 16199), (3340, 16102), (3880, 13861), (6680, 8051)]