5156840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 12821760

約数和(自身を除く): 7664920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 211, 235, 260, 376, 422, 470, 520, 611, 844, 940, 1055, 1222, 1688, 1880, 2110, 2444, 2743, 3055, 4220, 4888, 5486, 6110, 8440, 9917, 10972, 12220, 13715, 19834, 21944, 24440, 27430, 39668, 49585, 54860, 79336, 99170, 109720, 128921, 198340, 257842, 396680, 515684, 644605, 1031368, 1289210, 2578420, 5156840]

約数ペア:

[(1, 5156840), (2, 2578420), (4, 1289210), (5, 1031368), (8, 644605), (10, 515684), (13, 396680), (20, 257842), (26, 198340), (40, 128921), (47, 109720), (52, 99170), (65, 79336), (94, 54860), (104, 49585), (130, 39668), (188, 27430), (211, 24440), (235, 21944), (260, 19834), (376, 13715), (422, 12220), (470, 10972), (520, 9917), (611, 8440), (844, 6110), (940, 5486), (1055, 4888), (1222, 4220), (1688, 3055), (1880, 2743), (2110, 2444)]