12916340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 29006208

約数和(自身を除く): 16089868

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 653, 860, 989, 1306, 1978, 2612, 3265, 3956, 4945, 6530, 9890, 13060, 15019, 19780, 28079, 30038, 56158, 60076, 75095, 112316, 140395, 150190, 280790, 300380, 561580, 645817, 1291634, 2583268, 3229085, 6458170, 12916340]

約数ペア:

[(1, 12916340), (2, 6458170), (4, 3229085), (5, 2583268), (10, 1291634), (20, 645817), (23, 561580), (43, 300380), (46, 280790), (86, 150190), (92, 140395), (115, 112316), (172, 75095), (215, 60076), (230, 56158), (430, 30038), (460, 28079), (653, 19780), (860, 15019), (989, 13060), (1306, 9890), (1978, 6530), (2612, 4945), (3265, 3956)]