4968340

素因数分解:

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

素因数の和:316

約数の個数: 48

約数和(自身を含む): 11409552

約数和(自身を除く): 6441212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 197, 260, 388, 394, 485, 788, 970, 985, 1261, 1940, 1970, 2522, 2561, 3940, 5044, 5122, 6305, 10244, 12610, 12805, 19109, 25220, 25610, 38218, 51220, 76436, 95545, 191090, 248417, 382180, 496834, 993668, 1242085, 2484170, 4968340]

約数ペア:

[(1, 4968340), (2, 2484170), (4, 1242085), (5, 993668), (10, 496834), (13, 382180), (20, 248417), (26, 191090), (52, 95545), (65, 76436), (97, 51220), (130, 38218), (194, 25610), (197, 25220), (260, 19109), (388, 12805), (394, 12610), (485, 10244), (788, 6305), (970, 5122), (985, 5044), (1261, 3940), (1940, 2561), (1970, 2522)]