80989376

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:649

約数の個数: 56

約数和(自身を含む): 174187104

約数和(自身を除く): 93197728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 311, 313, 416, 622, 626, 832, 1244, 1252, 2488, 2504, 4043, 4069, 4976, 5008, 8086, 8138, 9952, 10016, 16172, 16276, 19904, 20032, 32344, 32552, 64688, 65104, 97343, 129376, 130208, 194686, 258752, 260416, 389372, 778744, 1265459, 1557488, 2530918, 3114976, 5061836, 6229952, 10123672, 20247344, 40494688, 80989376]

約数ペア:

[(1, 80989376), (2, 40494688), (4, 20247344), (8, 10123672), (13, 6229952), (16, 5061836), (26, 3114976), (32, 2530918), (52, 1557488), (64, 1265459), (104, 778744), (208, 389372), (311, 260416), (313, 258752), (416, 194686), (622, 130208), (626, 129376), (832, 97343), (1244, 65104), (1252, 64688), (2488, 32552), (2504, 32344), (4043, 20032), (4069, 19904), (4976, 16276), (5008, 16172), (8086, 10016), (8138, 9952)]