13442840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 32175360

約数和(自身を除く): 18732520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 293, 296, 310, 370, 586, 620, 740, 1147, 1172, 1240, 1465, 1480, 2294, 2344, 2930, 4588, 5735, 5860, 9083, 9176, 10841, 11470, 11720, 18166, 21682, 22940, 36332, 43364, 45415, 45880, 54205, 72664, 86728, 90830, 108410, 181660, 216820, 336071, 363320, 433640, 672142, 1344284, 1680355, 2688568, 3360710, 6721420, 13442840]

約数ペア:

[(1, 13442840), (2, 6721420), (4, 3360710), (5, 2688568), (8, 1680355), (10, 1344284), (20, 672142), (31, 433640), (37, 363320), (40, 336071), (62, 216820), (74, 181660), (124, 108410), (148, 90830), (155, 86728), (185, 72664), (248, 54205), (293, 45880), (296, 45415), (310, 43364), (370, 36332), (586, 22940), (620, 21682), (740, 18166), (1147, 11720), (1172, 11470), (1240, 10841), (1465, 9176), (1480, 9083), (2294, 5860), (2344, 5735), (2930, 4588)]