16657280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 42191280

約数和(自身を除く): 25534000

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, 1531, 2176, 2720, 3062, 5440, 6124, 7655, 10880, 12248, 15310, 24496, 26027, 30620, 48992, 52054, 61240, 97984, 104108, 122480, 130135, 195968, 208216, 244960, 260270, 416432, 489920, 520540, 832864, 979840, 1041080, 1665728, 2082160, 3331456, 4164320, 8328640, 16657280]

約数ペア:

[(1, 16657280), (2, 8328640), (4, 4164320), (5, 3331456), (8, 2082160), (10, 1665728), (16, 1041080), (17, 979840), (20, 832864), (32, 520540), (34, 489920), (40, 416432), (64, 260270), (68, 244960), (80, 208216), (85, 195968), (128, 130135), (136, 122480), (160, 104108), (170, 97984), (272, 61240), (320, 52054), (340, 48992), (544, 30620), (640, 26027), (680, 24496), (1088, 15310), (1360, 12248), (1531, 10880), (2176, 7655), (2720, 6124), (3062, 5440)]