66220450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 130170240

約数和(自身を除く): 63949790

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 178, 230, 445, 575, 647, 890, 1150, 1294, 2047, 2225, 3235, 4094, 4450, 6470, 10235, 14881, 16175, 20470, 29762, 32350, 51175, 57583, 74405, 102350, 115166, 148810, 287915, 372025, 575830, 744050, 1324409, 1439575, 2648818, 2879150, 6622045, 13244090, 33110225, 66220450]

約数ペア:

[(1, 66220450), (2, 33110225), (5, 13244090), (10, 6622045), (23, 2879150), (25, 2648818), (46, 1439575), (50, 1324409), (89, 744050), (115, 575830), (178, 372025), (230, 287915), (445, 148810), (575, 115166), (647, 102350), (890, 74405), (1150, 57583), (1294, 51175), (2047, 32350), (2225, 29762), (3235, 20470), (4094, 16175), (4450, 14881), (6470, 10235)]