28922140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 65888928

約数和(自身を除く): 36966788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 643, 692, 865, 1286, 1730, 2249, 2572, 3215, 3460, 4498, 6430, 8359, 8996, 11245, 12860, 16718, 22490, 33436, 41795, 44980, 83590, 111239, 167180, 222478, 444956, 556195, 1112390, 1446107, 2224780, 2892214, 5784428, 7230535, 14461070, 28922140]

約数ペア:

[(1, 28922140), (2, 14461070), (4, 7230535), (5, 5784428), (10, 2892214), (13, 2224780), (20, 1446107), (26, 1112390), (52, 556195), (65, 444956), (130, 222478), (173, 167180), (260, 111239), (346, 83590), (643, 44980), (692, 41795), (865, 33436), (1286, 22490), (1730, 16718), (2249, 12860), (2572, 11245), (3215, 8996), (3460, 8359), (4498, 6430)]