26979860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 59164560

約数和(自身を除く): 32184700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 257, 290, 362, 514, 580, 724, 905, 1028, 1285, 1810, 2570, 3620, 5140, 5249, 7453, 10498, 14906, 20996, 26245, 29812, 37265, 46517, 52490, 74530, 93034, 104980, 149060, 186068, 232585, 465170, 930340, 1348993, 2697986, 5395972, 6744965, 13489930, 26979860]

約数ペア:

[(1, 26979860), (2, 13489930), (4, 6744965), (5, 5395972), (10, 2697986), (20, 1348993), (29, 930340), (58, 465170), (116, 232585), (145, 186068), (181, 149060), (257, 104980), (290, 93034), (362, 74530), (514, 52490), (580, 46517), (724, 37265), (905, 29812), (1028, 26245), (1285, 20996), (1810, 14906), (2570, 10498), (3620, 7453), (5140, 5249)]