12173840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21739}}^1$

素因数の和:21759

約数の個数: 40

約数和(自身を含む): 32349120

約数和(自身を除く): 20175280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21739, 43478, 86956, 108695, 152173, 173912, 217390, 304346, 347824, 434780, 608692, 760865, 869560, 1217384, 1521730, 1739120, 2434768, 3043460, 6086920, 12173840]

約数ペア:

[(1, 12173840), (2, 6086920), (4, 3043460), (5, 2434768), (7, 1739120), (8, 1521730), (10, 1217384), (14, 869560), (16, 760865), (20, 608692), (28, 434780), (35, 347824), (40, 304346), (56, 217390), (70, 173912), (80, 152173), (112, 108695), (140, 86956), (280, 43478), (560, 21739)]