25021360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 73026576

約数和(自身を除く): 48005216

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 491, 520, 560, 637, 728, 784, 910, 980, 982, 1040, 1274, 1456, 1820, 1960, 1964, 2455, 2548, 3185, 3437, 3640, 3920, 3928, 4910, 5096, 6370, 6383, 6874, 7280, 7856, 9820, 10192, 12740, 12766, 13748, 17185, 19640, 24059, 25480, 25532, 27496, 31915, 34370, 39280, 44681, 48118, 50960, 51064, 54992, 63830, 68740, 89362, 96236, 102128, 120295, 127660, 137480, 178724, 192472, 223405, 240590, 255320, 274960, 312767, 357448, 384944, 446810, 481180, 510640, 625534, 714896, 893620, 962360, 1251068, 1563835, 1787240, 1924720, 2502136, 3127670, 3574480, 5004272, 6255340, 12510680, 25021360]

約数ペア:

[(1, 25021360), (2, 12510680), (4, 6255340), (5, 5004272), (7, 3574480), (8, 3127670), (10, 2502136), (13, 1924720), (14, 1787240), (16, 1563835), (20, 1251068), (26, 962360), (28, 893620), (35, 714896), (40, 625534), (49, 510640), (52, 481180), (56, 446810), (65, 384944), (70, 357448), (80, 312767), (91, 274960), (98, 255320), (104, 240590), (112, 223405), (130, 192472), (140, 178724), (182, 137480), (196, 127660), (208, 120295), (245, 102128), (260, 96236), (280, 89362), (364, 68740), (392, 63830), (455, 54992), (490, 51064), (491, 50960), (520, 48118), (560, 44681), (637, 39280), (728, 34370), (784, 31915), (910, 27496), (980, 25532), (982, 25480), (1040, 24059), (1274, 19640), (1456, 17185), (1820, 13748), (1960, 12766), (1964, 12740), (2455, 10192), (2548, 9820), (3185, 7856), (3437, 7280), (3640, 6874), (3920, 6383), (3928, 6370), (4910, 5096)]