22131800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2699}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 52731000

約数和(自身を除く): 30599200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2699, 4100, 5398, 8200, 10796, 13495, 21592, 26990, 53980, 67475, 107960, 110659, 134950, 221318, 269900, 442636, 539800, 553295, 885272, 1106590, 2213180, 2766475, 4426360, 5532950, 11065900, 22131800]

約数ペア:

[(1, 22131800), (2, 11065900), (4, 5532950), (5, 4426360), (8, 2766475), (10, 2213180), (20, 1106590), (25, 885272), (40, 553295), (41, 539800), (50, 442636), (82, 269900), (100, 221318), (164, 134950), (200, 110659), (205, 107960), (328, 67475), (410, 53980), (820, 26990), (1025, 21592), (1640, 13495), (2050, 10796), (2699, 8200), (4100, 5398)]