20161390997275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1\times {\mathrm{29017}}^1$

素因数の和:29765

約数の個数: 96

約数和(自身を含む): 28394368358400

約数和(自身を除く): 8232977361125

約数列:

[1, 5, 11, 25, 31, 55, 149, 155, 275, 341, 547, 745, 775, 1639, 1705, 2735, 3725, 4619, 6017, 8195, 8525, 13675, 16957, 23095, 29017, 30085, 40975, 50809, 81503, 84785, 115475, 145085, 150425, 186527, 254045, 319187, 407515, 423925, 725425, 896533, 899527, 932635, 1270225, 1595935, 2037575, 2526593, 4323533, 4482665, 4497635, 4663175, 7979675, 9894797, 12632965, 15872299, 21617665, 22413325, 22488175, 27792523, 47558863, 49473985, 63164825, 79361495, 108088325, 134029523, 138962615, 174595289, 237794315, 247369925, 396807475, 492041269, 670147615, 694813075, 872976445, 1188971575, 1474324753, 2364972551, 2460206345, 3350738075, 4364882225, 5412453959, 7371623765, 11824862755, 12301031725, 26014698061, 27062269795, 36858118825, 59124313775, 73314149081, 130073490305, 135311348975, 366570745405, 650367451525, 806455639891, 1832853727025, 4032278199455, 20161390997275]

約数ペア:

[(1, 20161390997275), (5, 4032278199455), (11, 1832853727025), (25, 806455639891), (31, 650367451525), (55, 366570745405), (149, 135311348975), (155, 130073490305), (275, 73314149081), (341, 59124313775), (547, 36858118825), (745, 27062269795), (775, 26014698061), (1639, 12301031725), (1705, 11824862755), (2735, 7371623765), (3725, 5412453959), (4619, 4364882225), (6017, 3350738075), (8195, 2460206345), (8525, 2364972551), (13675, 1474324753), (16957, 1188971575), (23095, 872976445), (29017, 694813075), (30085, 670147615), (40975, 492041269), (50809, 396807475), (81503, 247369925), (84785, 237794315), (115475, 174595289), (145085, 138962615), (150425, 134029523), (186527, 108088325), (254045, 79361495), (319187, 63164825), (407515, 49473985), (423925, 47558863), (725425, 27792523), (896533, 22488175), (899527, 22413325), (932635, 21617665), (1270225, 15872299), (1595935, 12632965), (2037575, 9894797), (2526593, 7979675), (4323533, 4663175), (4482665, 4497635)]