51531700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 123742080

約数和(自身を除く): 72210380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 593, 790, 869, 1100, 1186, 1580, 1738, 1975, 2372, 2965, 3476, 3950, 4345, 5930, 6523, 7900, 8690, 11860, 13046, 14825, 17380, 21725, 26092, 29650, 32615, 43450, 46847, 59300, 65230, 86900, 93694, 130460, 163075, 187388, 234235, 326150, 468470, 515317, 652300, 936940, 1030634, 1171175, 2061268, 2342350, 2576585, 4684700, 5153170, 10306340, 12882925, 25765850, 51531700]

約数ペア:

[(1, 51531700), (2, 25765850), (4, 12882925), (5, 10306340), (10, 5153170), (11, 4684700), (20, 2576585), (22, 2342350), (25, 2061268), (44, 1171175), (50, 1030634), (55, 936940), (79, 652300), (100, 515317), (110, 468470), (158, 326150), (220, 234235), (275, 187388), (316, 163075), (395, 130460), (550, 93694), (593, 86900), (790, 65230), (869, 59300), (1100, 46847), (1186, 43450), (1580, 32615), (1738, 29650), (1975, 26092), (2372, 21725), (2965, 17380), (3476, 14825), (3950, 13046), (4345, 11860), (5930, 8690), (6523, 7900)]