1865440

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 4490640

約数和(自身を除く): 2625200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 131, 160, 178, 262, 356, 445, 524, 655, 712, 890, 1048, 1310, 1424, 1780, 2096, 2620, 2848, 3560, 4192, 5240, 7120, 10480, 11659, 14240, 20960, 23318, 46636, 58295, 93272, 116590, 186544, 233180, 373088, 466360, 932720, 1865440]

約数ペア:

[(1, 1865440), (2, 932720), (4, 466360), (5, 373088), (8, 233180), (10, 186544), (16, 116590), (20, 93272), (32, 58295), (40, 46636), (80, 23318), (89, 20960), (131, 14240), (160, 11659), (178, 10480), (262, 7120), (356, 5240), (445, 4192), (524, 3560), (655, 2848), (712, 2620), (890, 2096), (1048, 1780), (1310, 1424)]