20223762500

素因数分解:

$2^2\times 5^5\times {\mathrm{41}}^1\times {\mathrm{39461}}^1$

素因数の和:39531

約数の個数: 72

約数和(自身を含む): 45316740168

約数和(自身を除く): 25092977668

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 625, 820, 1025, 1250, 2050, 2500, 3125, 4100, 5125, 6250, 10250, 12500, 20500, 25625, 39461, 51250, 78922, 102500, 128125, 157844, 197305, 256250, 394610, 512500, 789220, 986525, 1617901, 1973050, 3235802, 3946100, 4932625, 6471604, 8089505, 9865250, 16179010, 19730500, 24663125, 32358020, 40447525, 49326250, 80895050, 98652500, 123315625, 161790100, 202237625, 246631250, 404475250, 493262500, 808950500, 1011188125, 2022376250, 4044752500, 5055940625, 10111881250, 20223762500]

約数ペア:

[(1, 20223762500), (2, 10111881250), (4, 5055940625), (5, 4044752500), (10, 2022376250), (20, 1011188125), (25, 808950500), (41, 493262500), (50, 404475250), (82, 246631250), (100, 202237625), (125, 161790100), (164, 123315625), (205, 98652500), (250, 80895050), (410, 49326250), (500, 40447525), (625, 32358020), (820, 24663125), (1025, 19730500), (1250, 16179010), (2050, 9865250), (2500, 8089505), (3125, 6471604), (4100, 4932625), (5125, 3946100), (6250, 3235802), (10250, 1973050), (12500, 1617901), (20500, 986525), (25625, 789220), (39461, 512500), (51250, 394610), (78922, 256250), (102500, 197305), (128125, 157844)]