39746720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 102685968

約数和(自身を除く): 62939248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 194, 197, 208, 260, 388, 394, 416, 485, 520, 776, 788, 970, 985, 1040, 1261, 1552, 1576, 1940, 1970, 2080, 2522, 2561, 3104, 3152, 3880, 3940, 5044, 5122, 6304, 6305, 7760, 7880, 10088, 10244, 12610, 12805, 15520, 15760, 19109, 20176, 20488, 25220, 25610, 31520, 38218, 40352, 40976, 50440, 51220, 76436, 81952, 95545, 100880, 102440, 152872, 191090, 201760, 204880, 248417, 305744, 382180, 409760, 496834, 611488, 764360, 993668, 1242085, 1528720, 1987336, 2484170, 3057440, 3974672, 4968340, 7949344, 9936680, 19873360, 39746720]

約数ペア:

[(1, 39746720), (2, 19873360), (4, 9936680), (5, 7949344), (8, 4968340), (10, 3974672), (13, 3057440), (16, 2484170), (20, 1987336), (26, 1528720), (32, 1242085), (40, 993668), (52, 764360), (65, 611488), (80, 496834), (97, 409760), (104, 382180), (130, 305744), (160, 248417), (194, 204880), (197, 201760), (208, 191090), (260, 152872), (388, 102440), (394, 100880), (416, 95545), (485, 81952), (520, 76436), (776, 51220), (788, 50440), (970, 40976), (985, 40352), (1040, 38218), (1261, 31520), (1552, 25610), (1576, 25220), (1940, 20488), (1970, 20176), (2080, 19109), (2522, 15760), (2561, 15520), (3104, 12805), (3152, 12610), (3880, 10244), (3940, 10088), (5044, 7880), (5122, 7760), (6304, 6305)]