129127430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5003}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 243194400

約数和(自身を除く): 114066970

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5003, 5162, 10006, 12905, 25015, 25810, 50030, 145087, 290174, 445267, 725435, 890534, 1450870, 2226335, 4452670, 12912743, 25825486, 64563715, 129127430]

約数ペア:

[(1, 129127430), (2, 64563715), (5, 25825486), (10, 12912743), (29, 4452670), (58, 2226335), (89, 1450870), (145, 890534), (178, 725435), (290, 445267), (445, 290174), (890, 145087), (2581, 50030), (5003, 25810), (5162, 25015), (10006, 12905)]