13243480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3989}}^1$

素因数の和:4083

約数の個数: 32

約数和(自身を含む): 30164400

約数和(自身を除く): 16920920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3989, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 331087, 662174, 1324348, 1655435, 2648696, 3310870, 6621740, 13243480]

約数ペア:

[(1, 13243480), (2, 6621740), (4, 3310870), (5, 2648696), (8, 1655435), (10, 1324348), (20, 662174), (40, 331087), (83, 159560), (166, 79780), (332, 39890), (415, 31912), (664, 19945), (830, 15956), (1660, 7978), (3320, 3989)]