78109840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42451}}^1$

素因数の和:42487

約数の個数: 40

約数和(自身を含む): 189505728

約数和(自身を除く): 111395888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42451, 84902, 169804, 212255, 339608, 424510, 679216, 849020, 976373, 1698040, 1952746, 3396080, 3905492, 4881865, 7810984, 9763730, 15621968, 19527460, 39054920, 78109840]

約数ペア:

[(1, 78109840), (2, 39054920), (4, 19527460), (5, 15621968), (8, 9763730), (10, 7810984), (16, 4881865), (20, 3905492), (23, 3396080), (40, 1952746), (46, 1698040), (80, 976373), (92, 849020), (115, 679216), (184, 424510), (230, 339608), (368, 212255), (460, 169804), (920, 84902), (1840, 42451)]