25406920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 72887040

約数和(自身を除く): 47480120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 113, 140, 146, 154, 220, 226, 280, 292, 308, 365, 385, 440, 452, 511, 565, 584, 616, 730, 770, 791, 803, 904, 1022, 1130, 1243, 1460, 1540, 1582, 1606, 2044, 2260, 2486, 2555, 2920, 3080, 3164, 3212, 3955, 4015, 4088, 4520, 4972, 5110, 5621, 6215, 6328, 6424, 7910, 8030, 8249, 8701, 9944, 10220, 11242, 12430, 15820, 16060, 16498, 17402, 20440, 22484, 24860, 28105, 31640, 32120, 32996, 34804, 41245, 43505, 44968, 49720, 56210, 57743, 65992, 69608, 82490, 87010, 90739, 112420, 115486, 164980, 174020, 181478, 224840, 230972, 288715, 329960, 348040, 362956, 453695, 461944, 577430, 635173, 725912, 907390, 1154860, 1270346, 1814780, 2309720, 2540692, 3175865, 3629560, 5081384, 6351730, 12703460, 25406920]

約数ペア:

[(1, 25406920), (2, 12703460), (4, 6351730), (5, 5081384), (7, 3629560), (8, 3175865), (10, 2540692), (11, 2309720), (14, 1814780), (20, 1270346), (22, 1154860), (28, 907390), (35, 725912), (40, 635173), (44, 577430), (55, 461944), (56, 453695), (70, 362956), (73, 348040), (77, 329960), (88, 288715), (110, 230972), (113, 224840), (140, 181478), (146, 174020), (154, 164980), (220, 115486), (226, 112420), (280, 90739), (292, 87010), (308, 82490), (365, 69608), (385, 65992), (440, 57743), (452, 56210), (511, 49720), (565, 44968), (584, 43505), (616, 41245), (730, 34804), (770, 32996), (791, 32120), (803, 31640), (904, 28105), (1022, 24860), (1130, 22484), (1243, 20440), (1460, 17402), (1540, 16498), (1582, 16060), (1606, 15820), (2044, 12430), (2260, 11242), (2486, 10220), (2555, 9944), (2920, 8701), (3080, 8249), (3164, 8030), (3212, 7910), (3955, 6424), (4015, 6328), (4088, 6215), (4520, 5621), (4972, 5110)]