129630784

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{25639}}^1$

素因数の和:25730

約数の個数: 28

約数和(自身を含む): 260502400

約数和(自身を除く): 130871616

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 25639, 51278, 102556, 205112, 410224, 820448, 1640896, 2025481, 4050962, 8101924, 16203848, 32407696, 64815392, 129630784]

約数ペア:

[(1, 129630784), (2, 64815392), (4, 32407696), (8, 16203848), (16, 8101924), (32, 4050962), (64, 2025481), (79, 1640896), (158, 820448), (316, 410224), (632, 205112), (1264, 102556), (2528, 51278), (5056, 25639)]