102865520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 246600288

約数和(自身を除く): 143734768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 107, 122, 197, 214, 244, 305, 394, 428, 488, 535, 610, 788, 856, 976, 985, 1070, 1220, 1576, 1712, 1970, 2140, 2440, 3152, 3940, 4280, 4880, 6527, 7880, 8560, 12017, 13054, 15760, 21079, 24034, 26108, 32635, 42158, 48068, 52216, 60085, 65270, 84316, 96136, 104432, 105395, 120170, 130540, 168632, 192272, 210790, 240340, 261080, 337264, 421580, 480680, 522160, 843160, 961360, 1285819, 1686320, 2571638, 5143276, 6429095, 10286552, 12858190, 20573104, 25716380, 51432760, 102865520]

約数ペア:

[(1, 102865520), (2, 51432760), (4, 25716380), (5, 20573104), (8, 12858190), (10, 10286552), (16, 6429095), (20, 5143276), (40, 2571638), (61, 1686320), (80, 1285819), (107, 961360), (122, 843160), (197, 522160), (214, 480680), (244, 421580), (305, 337264), (394, 261080), (428, 240340), (488, 210790), (535, 192272), (610, 168632), (788, 130540), (856, 120170), (976, 105395), (985, 104432), (1070, 96136), (1220, 84316), (1576, 65270), (1712, 60085), (1970, 52216), (2140, 48068), (2440, 42158), (3152, 32635), (3940, 26108), (4280, 24034), (4880, 21079), (6527, 15760), (7880, 13054), (8560, 12017)]