91917520

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 219985920

約数和(自身を除く): 128068400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 109, 127, 166, 218, 254, 332, 415, 436, 508, 545, 635, 664, 830, 872, 1016, 1090, 1270, 1328, 1660, 1744, 2032, 2180, 2540, 3320, 4360, 5080, 6640, 8720, 9047, 10160, 10541, 13843, 18094, 21082, 27686, 36188, 42164, 45235, 52705, 55372, 69215, 72376, 84328, 90470, 105410, 110744, 138430, 144752, 168656, 180940, 210820, 221488, 276860, 361880, 421640, 553720, 723760, 843280, 1107440, 1148969, 2297938, 4595876, 5744845, 9191752, 11489690, 18383504, 22979380, 45958760, 91917520]

約数ペア:

[(1, 91917520), (2, 45958760), (4, 22979380), (5, 18383504), (8, 11489690), (10, 9191752), (16, 5744845), (20, 4595876), (40, 2297938), (80, 1148969), (83, 1107440), (109, 843280), (127, 723760), (166, 553720), (218, 421640), (254, 361880), (332, 276860), (415, 221488), (436, 210820), (508, 180940), (545, 168656), (635, 144752), (664, 138430), (830, 110744), (872, 105410), (1016, 90470), (1090, 84328), (1270, 72376), (1328, 69215), (1660, 55372), (1744, 52705), (2032, 45235), (2180, 42164), (2540, 36188), (3320, 27686), (4360, 21082), (5080, 18094), (6640, 13843), (8720, 10541), (9047, 10160)]