16943540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20312140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 223, 262, 290, 446, 524, 580, 655, 892, 1115, 1310, 2230, 2620, 3799, 4460, 6467, 7598, 12934, 15196, 18995, 25868, 29213, 32335, 37990, 58426, 64670, 75980, 116852, 129340, 146065, 292130, 584260, 847177, 1694354, 3388708, 4235885, 8471770, 16943540]

約数ペア:

[(1, 16943540), (2, 8471770), (4, 4235885), (5, 3388708), (10, 1694354), (20, 847177), (29, 584260), (58, 292130), (116, 146065), (131, 129340), (145, 116852), (223, 75980), (262, 64670), (290, 58426), (446, 37990), (524, 32335), (580, 29213), (655, 25868), (892, 18995), (1115, 15196), (1310, 12934), (2230, 7598), (2620, 6467), (3799, 4460)]