55575040

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1317

約数の個数: 80

約数和(自身を含む): 141198552

約数和(自身を除く): 85623512

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, 512, 544, 640, 680, 1088, 1277, 1280, 1360, 2176, 2554, 2560, 2720, 4352, 5108, 5440, 6385, 8704, 10216, 10880, 12770, 20432, 21709, 21760, 25540, 40864, 43418, 43520, 51080, 81728, 86836, 102160, 108545, 163456, 173672, 204320, 217090, 326912, 347344, 408640, 434180, 653824, 694688, 817280, 868360, 1389376, 1634560, 1736720, 2778752, 3269120, 3473440, 5557504, 6946880, 11115008, 13893760, 27787520, 55575040]

約数ペア:

[(1, 55575040), (2, 27787520), (4, 13893760), (5, 11115008), (8, 6946880), (10, 5557504), (16, 3473440), (17, 3269120), (20, 2778752), (32, 1736720), (34, 1634560), (40, 1389376), (64, 868360), (68, 817280), (80, 694688), (85, 653824), (128, 434180), (136, 408640), (160, 347344), (170, 326912), (256, 217090), (272, 204320), (320, 173672), (340, 163456), (512, 108545), (544, 102160), (640, 86836), (680, 81728), (1088, 51080), (1277, 43520), (1280, 43418), (1360, 40864), (2176, 25540), (2554, 21760), (2560, 21709), (2720, 20432), (4352, 12770), (5108, 10880), (5440, 10216), (6385, 8704)]