20165365100

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{563}}^1\times {\mathrm{1427}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 44042056128

約数和(自身を除く): 23876691028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 563, 1004, 1126, 1255, 1427, 2252, 2510, 2815, 2854, 5020, 5630, 5708, 6275, 7135, 11260, 12550, 14075, 14270, 25100, 28150, 28540, 35675, 56300, 71350, 141313, 142700, 282626, 358177, 565252, 706565, 716354, 803401, 1413130, 1432708, 1606802, 1790885, 2826260, 3213604, 3532825, 3581770, 4017005, 7065650, 7163540, 8034010, 8954425, 14131300, 16068020, 17908850, 20085025, 35817700, 40170050, 80340100, 201653651, 403307302, 806614604, 1008268255, 2016536510, 4033073020, 5041341275, 10082682550, 20165365100]

約数ペア:

[(1, 20165365100), (2, 10082682550), (4, 5041341275), (5, 4033073020), (10, 2016536510), (20, 1008268255), (25, 806614604), (50, 403307302), (100, 201653651), (251, 80340100), (502, 40170050), (563, 35817700), (1004, 20085025), (1126, 17908850), (1255, 16068020), (1427, 14131300), (2252, 8954425), (2510, 8034010), (2815, 7163540), (2854, 7065650), (5020, 4017005), (5630, 3581770), (5708, 3532825), (6275, 3213604), (7135, 2826260), (11260, 1790885), (12550, 1606802), (14075, 1432708), (14270, 1413130), (25100, 803401), (28150, 716354), (28540, 706565), (35675, 565252), (56300, 358177), (71350, 282626), (141313, 142700)]