27787520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 70530264

約数和(自身を除く): 42742744

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, 1277, 1280, 1360, 2176, 2554, 2720, 4352, 5108, 5440, 6385, 10216, 10880, 12770, 20432, 21709, 21760, 25540, 40864, 43418, 51080, 81728, 86836, 102160, 108545, 163456, 173672, 204320, 217090, 326912, 347344, 408640, 434180, 694688, 817280, 868360, 1389376, 1634560, 1736720, 2778752, 3473440, 5557504, 6946880, 13893760, 27787520]

約数ペア:

[(1, 27787520), (2, 13893760), (4, 6946880), (5, 5557504), (8, 3473440), (10, 2778752), (16, 1736720), (17, 1634560), (20, 1389376), (32, 868360), (34, 817280), (40, 694688), (64, 434180), (68, 408640), (80, 347344), (85, 326912), (128, 217090), (136, 204320), (160, 173672), (170, 163456), (256, 108545), (272, 102160), (320, 86836), (340, 81728), (544, 51080), (640, 43418), (680, 40864), (1088, 25540), (1277, 21760), (1280, 21709), (1360, 20432), (2176, 12770), (2554, 10880), (2720, 10216), (4352, 6385), (5108, 5440)]