19546400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 48723444

約数和(自身を除く): 29177044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 461, 530, 800, 848, 922, 1060, 1325, 1696, 1844, 2120, 2305, 2650, 3688, 4240, 4610, 5300, 7376, 8480, 9220, 10600, 11525, 14752, 18440, 21200, 23050, 24433, 36880, 42400, 46100, 48866, 73760, 92200, 97732, 122165, 184400, 195464, 244330, 368800, 390928, 488660, 610825, 781856, 977320, 1221650, 1954640, 2443300, 3909280, 4886600, 9773200, 19546400]

約数ペア:

[(1, 19546400), (2, 9773200), (4, 4886600), (5, 3909280), (8, 2443300), (10, 1954640), (16, 1221650), (20, 977320), (25, 781856), (32, 610825), (40, 488660), (50, 390928), (53, 368800), (80, 244330), (100, 195464), (106, 184400), (160, 122165), (200, 97732), (212, 92200), (265, 73760), (400, 48866), (424, 46100), (461, 42400), (530, 36880), (800, 24433), (848, 23050), (922, 21200), (1060, 18440), (1325, 14752), (1696, 11525), (1844, 10600), (2120, 9220), (2305, 8480), (2650, 7376), (3688, 5300), (4240, 4610)]