55248640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 140177520

約数和(自身を除く): 84928880

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, 1280, 1360, 2176, 2539, 2720, 4352, 5078, 5440, 10156, 10880, 12695, 20312, 21760, 25390, 40624, 43163, 50780, 81248, 86326, 101560, 162496, 172652, 203120, 215815, 324992, 345304, 406240, 431630, 649984, 690608, 812480, 863260, 1381216, 1624960, 1726520, 2762432, 3249920, 3453040, 5524864, 6906080, 11049728, 13812160, 27624320, 55248640]

約数ペア:

[(1, 55248640), (2, 27624320), (4, 13812160), (5, 11049728), (8, 6906080), (10, 5524864), (16, 3453040), (17, 3249920), (20, 2762432), (32, 1726520), (34, 1624960), (40, 1381216), (64, 863260), (68, 812480), (80, 690608), (85, 649984), (128, 431630), (136, 406240), (160, 345304), (170, 324992), (256, 215815), (272, 203120), (320, 172652), (340, 162496), (544, 101560), (640, 86326), (680, 81248), (1088, 50780), (1280, 43163), (1360, 40624), (2176, 25390), (2539, 21760), (2720, 20312), (4352, 12695), (5078, 10880), (5440, 10156)]