13095640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18008360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 179, 236, 248, 295, 310, 358, 472, 590, 620, 716, 895, 1180, 1240, 1432, 1790, 1829, 2360, 3580, 3658, 5549, 7160, 7316, 9145, 10561, 11098, 14632, 18290, 21122, 22196, 27745, 36580, 42244, 44392, 52805, 55490, 73160, 84488, 105610, 110980, 211220, 221960, 327391, 422440, 654782, 1309564, 1636955, 2619128, 3273910, 6547820, 13095640]

約数ペア:

[(1, 13095640), (2, 6547820), (4, 3273910), (5, 2619128), (8, 1636955), (10, 1309564), (20, 654782), (31, 422440), (40, 327391), (59, 221960), (62, 211220), (118, 110980), (124, 105610), (155, 84488), (179, 73160), (236, 55490), (248, 52805), (295, 44392), (310, 42244), (358, 36580), (472, 27745), (590, 22196), (620, 21122), (716, 18290), (895, 14632), (1180, 11098), (1240, 10561), (1432, 9145), (1790, 7316), (1829, 7160), (2360, 5549), (3580, 3658)]