27662960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 70474656

約数和(自身を除く): 42811696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 397, 520, 536, 670, 794, 871, 1040, 1072, 1340, 1588, 1742, 1985, 2680, 3176, 3484, 3970, 4355, 5161, 5360, 6352, 6968, 7940, 8710, 10322, 13936, 15880, 17420, 20644, 25805, 26599, 31760, 34840, 41288, 51610, 53198, 69680, 82576, 103220, 106396, 132995, 206440, 212792, 265990, 345787, 412880, 425584, 531980, 691574, 1063960, 1383148, 1728935, 2127920, 2766296, 3457870, 5532592, 6915740, 13831480, 27662960]

約数ペア:

[(1, 27662960), (2, 13831480), (4, 6915740), (5, 5532592), (8, 3457870), (10, 2766296), (13, 2127920), (16, 1728935), (20, 1383148), (26, 1063960), (40, 691574), (52, 531980), (65, 425584), (67, 412880), (80, 345787), (104, 265990), (130, 212792), (134, 206440), (208, 132995), (260, 106396), (268, 103220), (335, 82576), (397, 69680), (520, 53198), (536, 51610), (670, 41288), (794, 34840), (871, 31760), (1040, 26599), (1072, 25805), (1340, 20644), (1588, 17420), (1742, 15880), (1985, 13936), (2680, 10322), (3176, 8710), (3484, 7940), (3970, 6968), (4355, 6352), (5161, 5360)]