31660880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17207}}^1$

素因数の和:17243

約数の個数: 40

約数和(自身を含む): 76816512

約数和(自身を除く): 45155632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 17207, 34414, 68828, 86035, 137656, 172070, 275312, 344140, 395761, 688280, 791522, 1376560, 1583044, 1978805, 3166088, 3957610, 6332176, 7915220, 15830440, 31660880]

約数ペア:

[(1, 31660880), (2, 15830440), (4, 7915220), (5, 6332176), (8, 3957610), (10, 3166088), (16, 1978805), (20, 1583044), (23, 1376560), (40, 791522), (46, 688280), (80, 395761), (92, 344140), (115, 275312), (184, 172070), (230, 137656), (368, 86035), (460, 68828), (920, 34414), (1840, 17207)]