78978320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42923}}^1$

素因数の和:42959

約数の個数: 40

約数和(自身を含む): 191612736

約数和(自身を除く): 112634416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42923, 85846, 171692, 214615, 343384, 429230, 686768, 858460, 987229, 1716920, 1974458, 3433840, 3948916, 4936145, 7897832, 9872290, 15795664, 19744580, 39489160, 78978320]

約数ペア:

[(1, 78978320), (2, 39489160), (4, 19744580), (5, 15795664), (8, 9872290), (10, 7897832), (16, 4936145), (20, 3948916), (23, 3433840), (40, 1974458), (46, 1716920), (80, 987229), (92, 858460), (115, 686768), (184, 429230), (230, 343384), (368, 214615), (460, 171692), (920, 85846), (1840, 42923)]