22751720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13873}}^1$

素因数の和:13925

約数の個数: 32

約数和(自身を含む): 52443720

約数和(自身を除く): 29692000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 13873, 27746, 55492, 69365, 110984, 138730, 277460, 554920, 568793, 1137586, 2275172, 2843965, 4550344, 5687930, 11375860, 22751720]

約数ペア:

[(1, 22751720), (2, 11375860), (4, 5687930), (5, 4550344), (8, 2843965), (10, 2275172), (20, 1137586), (40, 568793), (41, 554920), (82, 277460), (164, 138730), (205, 110984), (328, 69365), (410, 55492), (820, 27746), (1640, 13873)]