20977367050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{461}}^1\times {\mathrm{2521}}^1$

素因数の和:3032

約数の個数: 72

約数和(自身を含む): 41285256012

約数和(自身を除く): 20307888962

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 461, 475, 722, 922, 950, 1805, 2305, 2521, 3610, 4610, 5042, 8759, 9025, 11525, 12605, 17518, 18050, 23050, 25210, 43795, 47899, 63025, 87590, 95798, 126050, 166421, 218975, 239495, 332842, 437950, 478990, 832105, 910081, 1162181, 1197475, 1664210, 1820162, 2324362, 2394950, 4160525, 4550405, 5810905, 8321050, 9100810, 11621810, 22081439, 22752025, 29054525, 44162878, 45504050, 58109050, 110407195, 220814390, 419547341, 552035975, 839094682, 1104071950, 2097736705, 4195473410, 10488683525, 20977367050]

約数ペア:

[(1, 20977367050), (2, 10488683525), (5, 4195473410), (10, 2097736705), (19, 1104071950), (25, 839094682), (38, 552035975), (50, 419547341), (95, 220814390), (190, 110407195), (361, 58109050), (461, 45504050), (475, 44162878), (722, 29054525), (922, 22752025), (950, 22081439), (1805, 11621810), (2305, 9100810), (2521, 8321050), (3610, 5810905), (4610, 4550405), (5042, 4160525), (8759, 2394950), (9025, 2324362), (11525, 1820162), (12605, 1664210), (17518, 1197475), (18050, 1162181), (23050, 910081), (25210, 832105), (43795, 478990), (47899, 437950), (63025, 332842), (87590, 239495), (95798, 218975), (126050, 166421)]