1280521825

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 1808098560

約数和(自身を除く): 527576735

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 275, 319, 605, 725, 1327, 1331, 1595, 3025, 3509, 6635, 6655, 7975, 14597, 17545, 33175, 33275, 38483, 38599, 72985, 87725, 160567, 192415, 192995, 364925, 423313, 802835, 962075, 964975, 1766237, 2116565, 4014175, 4656443, 8831185, 10582825, 23282215, 44155925, 51220873, 116411075, 256104365, 1280521825]

約数ペア:

[(1, 1280521825), (5, 256104365), (11, 116411075), (25, 51220873), (29, 44155925), (55, 23282215), (121, 10582825), (145, 8831185), (275, 4656443), (319, 4014175), (605, 2116565), (725, 1766237), (1327, 964975), (1331, 962075), (1595, 802835), (3025, 423313), (3509, 364925), (6635, 192995), (6655, 192415), (7975, 160567), (14597, 87725), (17545, 72985), (33175, 38599), (33275, 38483)]