55730870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13829}}^1$

素因数の和:13880

約数の個数: 32

約数和(自身を含む): 111525120

約数和(自身を除く): 55794250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 13829, 27658, 69145, 138290, 179777, 359554, 428699, 857398, 898885, 1797770, 2143495, 4286990, 5573087, 11146174, 27865435, 55730870]

約数ペア:

[(1, 55730870), (2, 27865435), (5, 11146174), (10, 5573087), (13, 4286990), (26, 2143495), (31, 1797770), (62, 898885), (65, 857398), (130, 428699), (155, 359554), (310, 179777), (403, 138290), (806, 69145), (2015, 27658), (4030, 13829)]