2506240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 80

約数和(自身を含む): 6629040

約数和(自身を除く): 4122800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 512, 640, 704, 712, 880, 890, 979, 1280, 1408, 1424, 1760, 1780, 1958, 2560, 2816, 2848, 3520, 3560, 3916, 4895, 5632, 5696, 7040, 7120, 7832, 9790, 11392, 14080, 14240, 15664, 19580, 22784, 28160, 28480, 31328, 39160, 45568, 56960, 62656, 78320, 113920, 125312, 156640, 227840, 250624, 313280, 501248, 626560, 1253120, 2506240]

約数ペア:

[(1, 2506240), (2, 1253120), (4, 626560), (5, 501248), (8, 313280), (10, 250624), (11, 227840), (16, 156640), (20, 125312), (22, 113920), (32, 78320), (40, 62656), (44, 56960), (55, 45568), (64, 39160), (80, 31328), (88, 28480), (89, 28160), (110, 22784), (128, 19580), (160, 15664), (176, 14240), (178, 14080), (220, 11392), (256, 9790), (320, 7832), (352, 7120), (356, 7040), (440, 5696), (445, 5632), (512, 4895), (640, 3916), (704, 3560), (712, 3520), (880, 2848), (890, 2816), (979, 2560), (1280, 1958), (1408, 1780), (1424, 1760)]