31128320

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 75717936

約数和(自身を除く): 44589616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 293, 320, 332, 415, 586, 640, 664, 830, 1172, 1280, 1328, 1465, 1660, 2344, 2656, 2930, 3320, 4688, 5312, 5860, 6640, 9376, 10624, 11720, 13280, 18752, 21248, 23440, 24319, 26560, 37504, 46880, 48638, 53120, 75008, 93760, 97276, 106240, 121595, 187520, 194552, 243190, 375040, 389104, 486380, 778208, 972760, 1556416, 1945520, 3112832, 3891040, 6225664, 7782080, 15564160, 31128320]

約数ペア:

[(1, 31128320), (2, 15564160), (4, 7782080), (5, 6225664), (8, 3891040), (10, 3112832), (16, 1945520), (20, 1556416), (32, 972760), (40, 778208), (64, 486380), (80, 389104), (83, 375040), (128, 243190), (160, 194552), (166, 187520), (256, 121595), (293, 106240), (320, 97276), (332, 93760), (415, 75008), (586, 53120), (640, 48638), (664, 46880), (830, 37504), (1172, 26560), (1280, 24319), (1328, 23440), (1465, 21248), (1660, 18752), (2344, 13280), (2656, 11720), (2930, 10624), (3320, 9376), (4688, 6640), (5312, 5860)]