51518720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3659}}^1$

素因数の和:3691

約数の個数: 72

約数和(自身を含む): 134658720

約数和(自身を除く): 83140000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 3659, 7040, 7318, 14080, 14636, 18295, 29272, 36590, 40249, 58544, 73180, 80498, 117088, 146360, 160996, 201245, 234176, 292720, 321992, 402490, 468352, 585440, 643984, 804980, 936704, 1170880, 1287968, 1609960, 2341760, 2575936, 3219920, 4683520, 5151872, 6439840, 10303744, 12879680, 25759360, 51518720]

約数ペア:

[(1, 51518720), (2, 25759360), (4, 12879680), (5, 10303744), (8, 6439840), (10, 5151872), (11, 4683520), (16, 3219920), (20, 2575936), (22, 2341760), (32, 1609960), (40, 1287968), (44, 1170880), (55, 936704), (64, 804980), (80, 643984), (88, 585440), (110, 468352), (128, 402490), (160, 321992), (176, 292720), (220, 234176), (256, 201245), (320, 160996), (352, 146360), (440, 117088), (640, 80498), (704, 73180), (880, 58544), (1280, 40249), (1408, 36590), (1760, 29272), (2816, 18295), (3520, 14636), (3659, 14080), (7040, 7318)]