25720660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 66624768

約数和(自身を除く): 40904108

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 101, 107, 119, 140, 170, 202, 214, 238, 340, 404, 428, 476, 505, 535, 595, 707, 749, 1010, 1070, 1190, 1414, 1498, 1717, 1819, 2020, 2140, 2380, 2828, 2996, 3434, 3535, 3638, 3745, 6868, 7070, 7276, 7490, 8585, 9095, 10807, 12019, 12733, 14140, 14980, 17170, 18190, 21614, 24038, 25466, 34340, 36380, 43228, 48076, 50932, 54035, 60095, 63665, 75649, 108070, 120190, 127330, 151298, 183719, 216140, 240380, 254660, 302596, 367438, 378245, 734876, 756490, 918595, 1286033, 1512980, 1837190, 2572066, 3674380, 5144132, 6430165, 12860330, 25720660]

約数ペア:

[(1, 25720660), (2, 12860330), (4, 6430165), (5, 5144132), (7, 3674380), (10, 2572066), (14, 1837190), (17, 1512980), (20, 1286033), (28, 918595), (34, 756490), (35, 734876), (68, 378245), (70, 367438), (85, 302596), (101, 254660), (107, 240380), (119, 216140), (140, 183719), (170, 151298), (202, 127330), (214, 120190), (238, 108070), (340, 75649), (404, 63665), (428, 60095), (476, 54035), (505, 50932), (535, 48076), (595, 43228), (707, 36380), (749, 34340), (1010, 25466), (1070, 24038), (1190, 21614), (1414, 18190), (1498, 17170), (1717, 14980), (1819, 14140), (2020, 12733), (2140, 12019), (2380, 10807), (2828, 9095), (2996, 8585), (3434, 7490), (3535, 7276), (3638, 7070), (3745, 6868)]