71558980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 159030144

約数和(自身を除く): 87471164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 2131, 3358, 4262, 6716, 8395, 8524, 10655, 16790, 21310, 33580, 42620, 49013, 98026, 155563, 196052, 245065, 311126, 490130, 622252, 777815, 980260, 1555630, 3111260, 3577949, 7155898, 14311796, 17889745, 35779490, 71558980]

約数ペア:

[(1, 71558980), (2, 35779490), (4, 17889745), (5, 14311796), (10, 7155898), (20, 3577949), (23, 3111260), (46, 1555630), (73, 980260), (92, 777815), (115, 622252), (146, 490130), (230, 311126), (292, 245065), (365, 196052), (460, 155563), (730, 98026), (1460, 49013), (1679, 42620), (2131, 33580), (3358, 21310), (4262, 16790), (6716, 10655), (8395, 8524)]