13971880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 34327440

約数和(自身を除く): 20355560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 277, 388, 485, 520, 554, 776, 970, 1108, 1261, 1385, 1940, 2216, 2522, 2770, 3601, 3880, 5044, 5540, 6305, 7202, 10088, 11080, 12610, 14404, 18005, 25220, 26869, 28808, 36010, 50440, 53738, 72020, 107476, 134345, 144040, 214952, 268690, 349297, 537380, 698594, 1074760, 1397188, 1746485, 2794376, 3492970, 6985940, 13971880]

約数ペア:

[(1, 13971880), (2, 6985940), (4, 3492970), (5, 2794376), (8, 1746485), (10, 1397188), (13, 1074760), (20, 698594), (26, 537380), (40, 349297), (52, 268690), (65, 214952), (97, 144040), (104, 134345), (130, 107476), (194, 72020), (260, 53738), (277, 50440), (388, 36010), (485, 28808), (520, 26869), (554, 25220), (776, 18005), (970, 14404), (1108, 12610), (1261, 11080), (1385, 10088), (1940, 7202), (2216, 6305), (2522, 5540), (2770, 5044), (3601, 3880)]