27820160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 64

約数和(自身を含む): 70447320

約数和(自身を除く): 42627160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2557, 2720, 5114, 5440, 10228, 10880, 12785, 20456, 25570, 40912, 43469, 51140, 81824, 86938, 102280, 163648, 173876, 204560, 217345, 327296, 347752, 409120, 434690, 695504, 818240, 869380, 1391008, 1636480, 1738760, 2782016, 3477520, 5564032, 6955040, 13910080, 27820160]

約数ペア:

[(1, 27820160), (2, 13910080), (4, 6955040), (5, 5564032), (8, 3477520), (10, 2782016), (16, 1738760), (17, 1636480), (20, 1391008), (32, 869380), (34, 818240), (40, 695504), (64, 434690), (68, 409120), (80, 347752), (85, 327296), (128, 217345), (136, 204560), (160, 173876), (170, 163648), (272, 102280), (320, 86938), (340, 81824), (544, 51140), (640, 43469), (680, 40912), (1088, 25570), (1360, 20456), (2176, 12785), (2557, 10880), (2720, 10228), (5114, 5440)]