13109240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 31795200

約数和(自身を除く): 18685960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 367, 376, 380, 470, 734, 760, 893, 940, 1468, 1786, 1835, 1880, 2936, 3572, 3670, 4465, 6973, 7144, 7340, 8930, 13946, 14680, 17249, 17860, 27892, 34498, 34865, 35720, 55784, 68996, 69730, 86245, 137992, 139460, 172490, 278920, 327731, 344980, 655462, 689960, 1310924, 1638655, 2621848, 3277310, 6554620, 13109240]

約数ペア:

[(1, 13109240), (2, 6554620), (4, 3277310), (5, 2621848), (8, 1638655), (10, 1310924), (19, 689960), (20, 655462), (38, 344980), (40, 327731), (47, 278920), (76, 172490), (94, 139460), (95, 137992), (152, 86245), (188, 69730), (190, 68996), (235, 55784), (367, 35720), (376, 34865), (380, 34498), (470, 27892), (734, 17860), (760, 17249), (893, 14680), (940, 13946), (1468, 8930), (1786, 7340), (1835, 7144), (1880, 6973), (2936, 4465), (3572, 3670)]