11775440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 29521920

約数和(自身を除く): 17746480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 127, 152, 190, 244, 254, 304, 305, 380, 488, 508, 610, 635, 760, 976, 1016, 1159, 1220, 1270, 1520, 2032, 2318, 2413, 2440, 2540, 4636, 4826, 4880, 5080, 5795, 7747, 9272, 9652, 10160, 11590, 12065, 15494, 18544, 19304, 23180, 24130, 30988, 38608, 38735, 46360, 48260, 61976, 77470, 92720, 96520, 123952, 147193, 154940, 193040, 294386, 309880, 588772, 619760, 735965, 1177544, 1471930, 2355088, 2943860, 5887720, 11775440]

約数ペア:

[(1, 11775440), (2, 5887720), (4, 2943860), (5, 2355088), (8, 1471930), (10, 1177544), (16, 735965), (19, 619760), (20, 588772), (38, 309880), (40, 294386), (61, 193040), (76, 154940), (80, 147193), (95, 123952), (122, 96520), (127, 92720), (152, 77470), (190, 61976), (244, 48260), (254, 46360), (304, 38735), (305, 38608), (380, 30988), (488, 24130), (508, 23180), (610, 19304), (635, 18544), (760, 15494), (976, 12065), (1016, 11590), (1159, 10160), (1220, 9652), (1270, 9272), (1520, 7747), (2032, 5795), (2318, 5080), (2413, 4880), (2440, 4826), (2540, 4636)]