127880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 302400

約数和(自身を除く): 174520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 15985, 25576, 31970, 63940, 127880]

約数ペア:

[(1, 127880), (2, 63940), (4, 31970), (5, 25576), (8, 15985), (10, 12788), (20, 6394), (23, 5560), (40, 3197), (46, 2780), (92, 1390), (115, 1112), (139, 920), (184, 695), (230, 556), (278, 460)]