81805270

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2273}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 152267040

約数和(自身を除く): 70461770

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 590, 610, 2273, 3599, 4546, 7198, 11365, 17995, 22730, 35990, 134107, 138653, 268214, 277306, 670535, 693265, 1341070, 1386530, 8180527, 16361054, 40902635, 81805270]

約数ペア:

[(1, 81805270), (2, 40902635), (5, 16361054), (10, 8180527), (59, 1386530), (61, 1341070), (118, 693265), (122, 670535), (295, 277306), (305, 268214), (590, 138653), (610, 134107), (2273, 35990), (3599, 22730), (4546, 17995), (7198, 11365)]