255760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 624960

約数和(自身を除く): 369200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 139, 184, 230, 278, 368, 460, 556, 695, 920, 1112, 1390, 1840, 2224, 2780, 3197, 5560, 6394, 11120, 12788, 15985, 25576, 31970, 51152, 63940, 127880, 255760]

約数ペア:

[(1, 255760), (2, 127880), (4, 63940), (5, 51152), (8, 31970), (10, 25576), (16, 15985), (20, 12788), (23, 11120), (40, 6394), (46, 5560), (80, 3197), (92, 2780), (115, 2224), (139, 1840), (184, 1390), (230, 1112), (278, 920), (368, 695), (460, 556)]