30205160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24359}}^1$

素因数の和:24401

約数の個数: 32

約数和(自身を含む): 70156800

約数和(自身を除く): 39951640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24359, 48718, 97436, 121795, 194872, 243590, 487180, 755129, 974360, 1510258, 3020516, 3775645, 6041032, 7551290, 15102580, 30205160]

約数ペア:

[(1, 30205160), (2, 15102580), (4, 7551290), (5, 6041032), (8, 3775645), (10, 3020516), (20, 1510258), (31, 974360), (40, 755129), (62, 487180), (124, 243590), (155, 194872), (248, 121795), (310, 97436), (620, 48718), (1240, 24359)]