66475760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1626

約数の個数: 80

約数和(自身を含む): 170614080

約数和(自身を除く): 104138320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1559, 1640, 2132, 2665, 3118, 3280, 4264, 5330, 6236, 7795, 8528, 10660, 12472, 15590, 20267, 21320, 24944, 31180, 40534, 42640, 62360, 63919, 81068, 101335, 124720, 127838, 162136, 202670, 255676, 319595, 324272, 405340, 511352, 639190, 810680, 830947, 1022704, 1278380, 1621360, 1661894, 2556760, 3323788, 4154735, 5113520, 6647576, 8309470, 13295152, 16618940, 33237880, 66475760]

約数ペア:

[(1, 66475760), (2, 33237880), (4, 16618940), (5, 13295152), (8, 8309470), (10, 6647576), (13, 5113520), (16, 4154735), (20, 3323788), (26, 2556760), (40, 1661894), (41, 1621360), (52, 1278380), (65, 1022704), (80, 830947), (82, 810680), (104, 639190), (130, 511352), (164, 405340), (205, 324272), (208, 319595), (260, 255676), (328, 202670), (410, 162136), (520, 127838), (533, 124720), (656, 101335), (820, 81068), (1040, 63919), (1066, 62360), (1559, 42640), (1640, 40534), (2132, 31180), (2665, 24944), (3118, 21320), (3280, 20267), (4264, 15590), (5330, 12472), (6236, 10660), (7795, 8528)]