83686720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20147

約数の個数: 56

約数和(自身を含む): 214618824

約数和(自身を除く): 130932104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20117, 40234, 80468, 100585, 160936, 201170, 261521, 321872, 402340, 523042, 643744, 804680, 1046084, 1287488, 1307605, 1609360, 2092168, 2615210, 3218720, 4184336, 5230420, 6437440, 8368672, 10460840, 16737344, 20921680, 41843360, 83686720]

約数ペア:

[(1, 83686720), (2, 41843360), (4, 20921680), (5, 16737344), (8, 10460840), (10, 8368672), (13, 6437440), (16, 5230420), (20, 4184336), (26, 3218720), (32, 2615210), (40, 2092168), (52, 1609360), (64, 1307605), (65, 1287488), (80, 1046084), (104, 804680), (130, 643744), (160, 523042), (208, 402340), (260, 321872), (320, 261521), (416, 201170), (520, 160936), (832, 100585), (1040, 80468), (2080, 40234), (4160, 20117)]