121040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 301320

約数和(自身を除く): 180280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1780, 3026, 3560, 6052, 7120, 7565, 12104, 15130, 24208, 30260, 60520, 121040]

約数ペア:

[(1, 121040), (2, 60520), (4, 30260), (5, 24208), (8, 15130), (10, 12104), (16, 7565), (17, 7120), (20, 6052), (34, 3560), (40, 3026), (68, 1780), (80, 1513), (85, 1424), (89, 1360), (136, 890), (170, 712), (178, 680), (272, 445), (340, 356)]