29180920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 68739840

約数和(自身を除く): 39558920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 233, 248, 310, 404, 466, 505, 620, 808, 932, 1010, 1165, 1240, 1864, 2020, 2330, 3131, 4040, 4660, 6262, 7223, 9320, 12524, 14446, 15655, 23533, 25048, 28892, 31310, 36115, 47066, 57784, 62620, 72230, 94132, 117665, 125240, 144460, 188264, 235330, 288920, 470660, 729523, 941320, 1459046, 2918092, 3647615, 5836184, 7295230, 14590460, 29180920]

約数ペア:

[(1, 29180920), (2, 14590460), (4, 7295230), (5, 5836184), (8, 3647615), (10, 2918092), (20, 1459046), (31, 941320), (40, 729523), (62, 470660), (101, 288920), (124, 235330), (155, 188264), (202, 144460), (233, 125240), (248, 117665), (310, 94132), (404, 72230), (466, 62620), (505, 57784), (620, 47066), (808, 36115), (932, 31310), (1010, 28892), (1165, 25048), (1240, 23533), (1864, 15655), (2020, 14446), (2330, 12524), (3131, 9320), (4040, 7223), (4660, 6262)]