26218480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 65710080

約数和(自身を除く): 39491600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 367, 376, 380, 470, 734, 752, 760, 893, 940, 1468, 1520, 1786, 1835, 1880, 2936, 3572, 3670, 3760, 4465, 5872, 6973, 7144, 7340, 8930, 13946, 14288, 14680, 17249, 17860, 27892, 29360, 34498, 34865, 35720, 55784, 68996, 69730, 71440, 86245, 111568, 137992, 139460, 172490, 275984, 278920, 327731, 344980, 557840, 655462, 689960, 1310924, 1379920, 1638655, 2621848, 3277310, 5243696, 6554620, 13109240, 26218480]

約数ペア:

[(1, 26218480), (2, 13109240), (4, 6554620), (5, 5243696), (8, 3277310), (10, 2621848), (16, 1638655), (19, 1379920), (20, 1310924), (38, 689960), (40, 655462), (47, 557840), (76, 344980), (80, 327731), (94, 278920), (95, 275984), (152, 172490), (188, 139460), (190, 137992), (235, 111568), (304, 86245), (367, 71440), (376, 69730), (380, 68996), (470, 55784), (734, 35720), (752, 34865), (760, 34498), (893, 29360), (940, 27892), (1468, 17860), (1520, 17249), (1786, 14680), (1835, 14288), (1880, 13946), (2936, 8930), (3572, 7340), (3670, 7144), (3760, 6973), (4465, 5872)]