22302500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:846

約数の個数: 60

約数和(自身を含む): 53270448

約数和(自身を除く): 30967948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 811, 1100, 1250, 1375, 1622, 2500, 2750, 3244, 4055, 5500, 6875, 8110, 8921, 13750, 16220, 17842, 20275, 27500, 35684, 40550, 44605, 81100, 89210, 101375, 178420, 202750, 223025, 405500, 446050, 506875, 892100, 1013750, 1115125, 2027500, 2230250, 4460500, 5575625, 11151250, 22302500]

約数ペア:

[(1, 22302500), (2, 11151250), (4, 5575625), (5, 4460500), (10, 2230250), (11, 2027500), (20, 1115125), (22, 1013750), (25, 892100), (44, 506875), (50, 446050), (55, 405500), (100, 223025), (110, 202750), (125, 178420), (220, 101375), (250, 89210), (275, 81100), (500, 44605), (550, 40550), (625, 35684), (811, 27500), (1100, 20275), (1250, 17842), (1375, 16220), (1622, 13750), (2500, 8921), (2750, 8110), (3244, 6875), (4055, 5500)]