31667780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 71051904

約数和(自身を除く): 39384124

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1601, 1978, 3202, 3956, 4945, 6404, 8005, 9890, 16010, 19780, 32020, 36823, 68843, 73646, 137686, 147292, 184115, 275372, 344215, 368230, 688430, 736460, 1376860, 1583389, 3166778, 6333556, 7916945, 15833890, 31667780]

約数ペア:

[(1, 31667780), (2, 15833890), (4, 7916945), (5, 6333556), (10, 3166778), (20, 1583389), (23, 1376860), (43, 736460), (46, 688430), (86, 368230), (92, 344215), (115, 275372), (172, 184115), (215, 147292), (230, 137686), (430, 73646), (460, 68843), (860, 36823), (989, 32020), (1601, 19780), (1978, 16010), (3202, 9890), (3956, 8005), (4945, 6404)]