19946823760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1\times {\mathrm{4621}}^1$

素因数の和:5396

約数の個数: 80

約数和(自身を含む): 47042346240

約数和(自身を除く): 27095522480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 683, 790, 1264, 1366, 1580, 2732, 3160, 3415, 4621, 5464, 6320, 6830, 9242, 10928, 13660, 18484, 23105, 27320, 36968, 46210, 53957, 54640, 73936, 92420, 107914, 184840, 215828, 269785, 365059, 369680, 431656, 539570, 730118, 863312, 1079140, 1460236, 1825295, 2158280, 2920472, 3156143, 3650590, 4316560, 5840944, 6312286, 7301180, 12624572, 14602360, 15780715, 25249144, 29204720, 31561430, 50498288, 63122860, 126245720, 249335297, 252491440, 498670594, 997341188, 1246676485, 1994682376, 2493352970, 3989364752, 4986705940, 9973411880, 19946823760]

約数ペア:

[(1, 19946823760), (2, 9973411880), (4, 4986705940), (5, 3989364752), (8, 2493352970), (10, 1994682376), (16, 1246676485), (20, 997341188), (40, 498670594), (79, 252491440), (80, 249335297), (158, 126245720), (316, 63122860), (395, 50498288), (632, 31561430), (683, 29204720), (790, 25249144), (1264, 15780715), (1366, 14602360), (1580, 12624572), (2732, 7301180), (3160, 6312286), (3415, 5840944), (4621, 4316560), (5464, 3650590), (6320, 3156143), (6830, 2920472), (9242, 2158280), (10928, 1825295), (13660, 1460236), (18484, 1079140), (23105, 863312), (27320, 730118), (36968, 539570), (46210, 431656), (53957, 369680), (54640, 365059), (73936, 269785), (92420, 215828), (107914, 184840)]