27287440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11003}}^1$

素因数の和:11047

約数の個数: 40

約数和(自身を含む): 65495808

約数和(自身を除く): 38208368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11003, 22006, 44012, 55015, 88024, 110030, 176048, 220060, 341093, 440120, 682186, 880240, 1364372, 1705465, 2728744, 3410930, 5457488, 6821860, 13643720, 27287440]

約数ペア:

[(1, 27287440), (2, 13643720), (4, 6821860), (5, 5457488), (8, 3410930), (10, 2728744), (16, 1705465), (20, 1364372), (31, 880240), (40, 682186), (62, 440120), (80, 341093), (124, 220060), (155, 176048), (248, 110030), (310, 88024), (496, 55015), (620, 44012), (1240, 22006), (2480, 11003)]