2581567460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 5706215424

約数和(自身を除く): 3124647964

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 191, 205, 212, 265, 311, 382, 410, 530, 622, 764, 820, 955, 1060, 1244, 1555, 1910, 2173, 3110, 3820, 4346, 6220, 7831, 8692, 10123, 10865, 12751, 15662, 16483, 20246, 21730, 25502, 31324, 32966, 39155, 40492, 43460, 50615, 51004, 59401, 63755, 65932, 78310, 82415, 101230, 118802, 127510, 156620, 164830, 202460, 237604, 255020, 297005, 329660, 415043, 594010, 675803, 830086, 1188020, 1351606, 1660172, 2075215, 2435441, 2703212, 3148253, 3379015, 4150430, 4870882, 6296506, 6758030, 8300860, 9741764, 12177205, 12593012, 13516060, 15741265, 24354410, 31482530, 48708820, 62965060, 129078373, 258156746, 516313492, 645391865, 1290783730, 2581567460]

約数ペア:

[(1, 2581567460), (2, 1290783730), (4, 645391865), (5, 516313492), (10, 258156746), (20, 129078373), (41, 62965060), (53, 48708820), (82, 31482530), (106, 24354410), (164, 15741265), (191, 13516060), (205, 12593012), (212, 12177205), (265, 9741764), (311, 8300860), (382, 6758030), (410, 6296506), (530, 4870882), (622, 4150430), (764, 3379015), (820, 3148253), (955, 2703212), (1060, 2435441), (1244, 2075215), (1555, 1660172), (1910, 1351606), (2173, 1188020), (3110, 830086), (3820, 675803), (4346, 594010), (6220, 415043), (7831, 329660), (8692, 297005), (10123, 255020), (10865, 237604), (12751, 202460), (15662, 164830), (16483, 156620), (20246, 127510), (21730, 118802), (25502, 101230), (31324, 82415), (32966, 78310), (39155, 65932), (40492, 63755), (43460, 59401), (50615, 51004)]