1613240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 3749760

約数和(自身を除く): 2136520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1301, 2602, 5204, 6505, 10408, 13010, 26020, 40331, 52040, 80662, 161324, 201655, 322648, 403310, 806620, 1613240]

約数ペア:

[(1, 1613240), (2, 806620), (4, 403310), (5, 322648), (8, 201655), (10, 161324), (20, 80662), (31, 52040), (40, 40331), (62, 26020), (124, 13010), (155, 10408), (248, 6505), (310, 5204), (620, 2602), (1240, 1301)]