66651650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 139087452

約数和(自身を除く): 72435802

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 61, 65, 82, 122, 130, 205, 305, 325, 410, 533, 610, 650, 793, 1025, 1066, 1525, 1586, 1681, 2050, 2501, 2665, 3050, 3362, 3965, 5002, 5330, 7930, 8405, 12505, 13325, 16810, 19825, 21853, 25010, 26650, 32513, 39650, 42025, 43706, 62525, 65026, 84050, 102541, 109265, 125050, 162565, 205082, 218530, 325130, 512705, 546325, 812825, 1025410, 1092650, 1333033, 1625650, 2563525, 2666066, 5127050, 6665165, 13330330, 33325825, 66651650]

約数ペア:

[(1, 66651650), (2, 33325825), (5, 13330330), (10, 6665165), (13, 5127050), (25, 2666066), (26, 2563525), (41, 1625650), (50, 1333033), (61, 1092650), (65, 1025410), (82, 812825), (122, 546325), (130, 512705), (205, 325130), (305, 218530), (325, 205082), (410, 162565), (533, 125050), (610, 109265), (650, 102541), (793, 84050), (1025, 65026), (1066, 62525), (1525, 43706), (1586, 42025), (1681, 39650), (2050, 32513), (2501, 26650), (2665, 25010), (3050, 21853), (3362, 19825), (3965, 16810), (5002, 13325), (5330, 12505), (7930, 8405)]