12640016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41579}}^1$

素因数の和:41606

約数の個数: 20

約数和(自身を含む): 25779600

約数和(自身を除く): 13139584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 41579, 83158, 166316, 332632, 665264, 790001, 1580002, 3160004, 6320008, 12640016]

約数ペア:

[(1, 12640016), (2, 6320008), (4, 3160004), (8, 1580002), (16, 790001), (19, 665264), (38, 332632), (76, 166316), (152, 83158), (304, 41579)]