81932500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2558

約数の個数: 60

約数和(自身を含む): 193028836

約数和(自身を除く): 111096336

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 2521, 3250, 5042, 6500, 8125, 10084, 12605, 16250, 25210, 32500, 32773, 50420, 63025, 65546, 126050, 131092, 163865, 252100, 315125, 327730, 630250, 655460, 819325, 1260500, 1575625, 1638650, 3151250, 3277300, 4096625, 6302500, 8193250, 16386500, 20483125, 40966250, 81932500]

約数ペア:

[(1, 81932500), (2, 40966250), (4, 20483125), (5, 16386500), (10, 8193250), (13, 6302500), (20, 4096625), (25, 3277300), (26, 3151250), (50, 1638650), (52, 1575625), (65, 1260500), (100, 819325), (125, 655460), (130, 630250), (250, 327730), (260, 315125), (325, 252100), (500, 163865), (625, 131092), (650, 126050), (1250, 65546), (1300, 63025), (1625, 50420), (2500, 32773), (2521, 32500), (3250, 25210), (5042, 16250), (6500, 12605), (8125, 10084)]