25914980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 43516060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 491, 580, 754, 812, 910, 982, 1015, 1508, 1820, 1885, 1964, 2030, 2455, 2639, 3437, 3770, 4060, 4910, 5278, 6383, 6874, 7540, 9820, 10556, 12766, 13195, 13748, 14239, 17185, 25532, 26390, 28478, 31915, 34370, 44681, 52780, 56956, 63830, 68740, 71195, 89362, 99673, 127660, 142390, 178724, 185107, 199346, 223405, 284780, 370214, 398692, 446810, 498365, 740428, 893620, 925535, 996730, 1295749, 1851070, 1993460, 2591498, 3702140, 5182996, 6478745, 12957490, 25914980]

約数ペア:

[(1, 25914980), (2, 12957490), (4, 6478745), (5, 5182996), (7, 3702140), (10, 2591498), (13, 1993460), (14, 1851070), (20, 1295749), (26, 996730), (28, 925535), (29, 893620), (35, 740428), (52, 498365), (58, 446810), (65, 398692), (70, 370214), (91, 284780), (116, 223405), (130, 199346), (140, 185107), (145, 178724), (182, 142390), (203, 127660), (260, 99673), (290, 89362), (364, 71195), (377, 68740), (406, 63830), (455, 56956), (491, 52780), (580, 44681), (754, 34370), (812, 31915), (910, 28478), (982, 26390), (1015, 25532), (1508, 17185), (1820, 14239), (1885, 13748), (1964, 13195), (2030, 12766), (2455, 10556), (2639, 9820), (3437, 7540), (3770, 6874), (4060, 6383), (4910, 5278)]