2120240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 5222880

約数和(自身を除く): 3102640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1559, 3118, 6236, 7795, 12472, 15590, 24944, 26503, 31180, 53006, 62360, 106012, 124720, 132515, 212024, 265030, 424048, 530060, 1060120, 2120240]

約数ペア:

[(1, 2120240), (2, 1060120), (4, 530060), (5, 424048), (8, 265030), (10, 212024), (16, 132515), (17, 124720), (20, 106012), (34, 62360), (40, 53006), (68, 31180), (80, 26503), (85, 24944), (136, 15590), (170, 12472), (272, 7795), (340, 6236), (680, 3118), (1360, 1559)]