313622840

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{12007}}^1$

素因数の和:12671

約数の個数: 32

約数和(自身を含む): 706790880

約数和(自身を除く): 393168040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 12007, 13060, 24014, 26120, 48028, 60035, 96056, 120070, 240140, 480280, 7840571, 15681142, 31362284, 39202855, 62724568, 78405710, 156811420, 313622840]

約数ペア:

[(1, 313622840), (2, 156811420), (4, 78405710), (5, 62724568), (8, 39202855), (10, 31362284), (20, 15681142), (40, 7840571), (653, 480280), (1306, 240140), (2612, 120070), (3265, 96056), (5224, 60035), (6530, 48028), (12007, 26120), (13060, 24014)]