27831040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 70640640

約数和(自身を除く): 42809600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1279, 1280, 1360, 2176, 2558, 2720, 4352, 5116, 5440, 6395, 10232, 10880, 12790, 20464, 21743, 21760, 25580, 40928, 43486, 51160, 81856, 86972, 102320, 108715, 163712, 173944, 204640, 217430, 327424, 347888, 409280, 434860, 695776, 818560, 869720, 1391552, 1637120, 1739440, 2783104, 3478880, 5566208, 6957760, 13915520, 27831040]

約数ペア:

[(1, 27831040), (2, 13915520), (4, 6957760), (5, 5566208), (8, 3478880), (10, 2783104), (16, 1739440), (17, 1637120), (20, 1391552), (32, 869720), (34, 818560), (40, 695776), (64, 434860), (68, 409280), (80, 347888), (85, 327424), (128, 217430), (136, 204640), (160, 173944), (170, 163712), (256, 108715), (272, 102320), (320, 86972), (340, 81856), (544, 51160), (640, 43486), (680, 40928), (1088, 25580), (1279, 21760), (1280, 21743), (1360, 20464), (2176, 12790), (2558, 10880), (2720, 10232), (4352, 6395), (5116, 5440)]