13331840

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 32790960

約数和(自身を除く): 19459120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 563, 592, 640, 740, 1126, 1184, 1480, 2252, 2368, 2815, 2960, 4504, 4736, 5630, 5920, 9008, 11260, 11840, 18016, 20831, 22520, 23680, 36032, 41662, 45040, 72064, 83324, 90080, 104155, 166648, 180160, 208310, 333296, 360320, 416620, 666592, 833240, 1333184, 1666480, 2666368, 3332960, 6665920, 13331840]

約数ペア:

[(1, 13331840), (2, 6665920), (4, 3332960), (5, 2666368), (8, 1666480), (10, 1333184), (16, 833240), (20, 666592), (32, 416620), (37, 360320), (40, 333296), (64, 208310), (74, 180160), (80, 166648), (128, 104155), (148, 90080), (160, 83324), (185, 72064), (296, 45040), (320, 41662), (370, 36032), (563, 23680), (592, 22520), (640, 20831), (740, 18016), (1126, 11840), (1184, 11260), (1480, 9008), (2252, 5920), (2368, 5630), (2815, 4736), (2960, 4504)]