16489520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 40592640

約数和(自身を除く): 24103120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 109, 122, 124, 155, 218, 244, 248, 305, 310, 436, 488, 496, 545, 610, 620, 872, 976, 1090, 1220, 1240, 1744, 1891, 2180, 2440, 2480, 3379, 3782, 4360, 4880, 6649, 6758, 7564, 8720, 9455, 13298, 13516, 15128, 16895, 18910, 26596, 27032, 30256, 33245, 33790, 37820, 53192, 54064, 66490, 67580, 75640, 106384, 132980, 135160, 151280, 206119, 265960, 270320, 412238, 531920, 824476, 1030595, 1648952, 2061190, 3297904, 4122380, 8244760, 16489520]

約数ペア:

[(1, 16489520), (2, 8244760), (4, 4122380), (5, 3297904), (8, 2061190), (10, 1648952), (16, 1030595), (20, 824476), (31, 531920), (40, 412238), (61, 270320), (62, 265960), (80, 206119), (109, 151280), (122, 135160), (124, 132980), (155, 106384), (218, 75640), (244, 67580), (248, 66490), (305, 54064), (310, 53192), (436, 37820), (488, 33790), (496, 33245), (545, 30256), (610, 27032), (620, 26596), (872, 18910), (976, 16895), (1090, 15128), (1220, 13516), (1240, 13298), (1744, 9455), (1891, 8720), (2180, 7564), (2440, 6758), (2480, 6649), (3379, 4880), (3782, 4360)]