25198040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 66908160

約数和(自身を除く): 41710120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2903, 4340, 5806, 8680, 11612, 14515, 20321, 23224, 29030, 40642, 58060, 81284, 89993, 101605, 116120, 162568, 179986, 203210, 359972, 406420, 449965, 629951, 719944, 812840, 899930, 1259902, 1799860, 2519804, 3149755, 3599720, 5039608, 6299510, 12599020, 25198040]

約数ペア:

[(1, 25198040), (2, 12599020), (4, 6299510), (5, 5039608), (7, 3599720), (8, 3149755), (10, 2519804), (14, 1799860), (20, 1259902), (28, 899930), (31, 812840), (35, 719944), (40, 629951), (56, 449965), (62, 406420), (70, 359972), (124, 203210), (140, 179986), (155, 162568), (217, 116120), (248, 101605), (280, 89993), (310, 81284), (434, 58060), (620, 40642), (868, 29030), (1085, 23224), (1240, 20321), (1736, 14515), (2170, 11612), (2903, 8680), (4340, 5806)]