15915380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 36895824

約数和(自身を除く): 20980444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1493, 2132, 2665, 2986, 5330, 5972, 7465, 10660, 14930, 19409, 29860, 38818, 61213, 77636, 97045, 122426, 194090, 244852, 306065, 388180, 612130, 795769, 1224260, 1591538, 3183076, 3978845, 7957690, 15915380]

約数ペア:

[(1, 15915380), (2, 7957690), (4, 3978845), (5, 3183076), (10, 1591538), (13, 1224260), (20, 795769), (26, 612130), (41, 388180), (52, 306065), (65, 244852), (82, 194090), (130, 122426), (164, 97045), (205, 77636), (260, 61213), (410, 38818), (533, 29860), (820, 19409), (1066, 14930), (1493, 10660), (2132, 7465), (2665, 5972), (2986, 5330)]