159011875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 219867120

約数和(自身を除く): 60855245

約数列:

[1, 5, 11, 25, 55, 101, 125, 229, 275, 505, 625, 1111, 1145, 1375, 2519, 2525, 5555, 5725, 6875, 12595, 12625, 23129, 27775, 28625, 62975, 63125, 115645, 138875, 143125, 254419, 314875, 578225, 694375, 1272095, 1574375, 2891125, 6360475, 14455625, 31802375, 159011875]

約数ペア:

[(1, 159011875), (5, 31802375), (11, 14455625), (25, 6360475), (55, 2891125), (101, 1574375), (125, 1272095), (229, 694375), (275, 578225), (505, 314875), (625, 254419), (1111, 143125), (1145, 138875), (1375, 115645), (2519, 63125), (2525, 62975), (5555, 28625), (5725, 27775), (6875, 23129), (12595, 12625)]