55511920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 138384000

約数和(自身を除く): 82872080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 619, 760, 944, 1121, 1180, 1238, 1520, 2242, 2360, 2476, 3095, 4484, 4720, 4952, 5605, 6190, 8968, 9904, 11210, 11761, 12380, 17936, 22420, 23522, 24760, 36521, 44840, 47044, 49520, 58805, 73042, 89680, 94088, 117610, 146084, 182605, 188176, 235220, 292168, 365210, 470440, 584336, 693899, 730420, 940880, 1387798, 1460840, 2775596, 2921680, 3469495, 5551192, 6938990, 11102384, 13877980, 27755960, 55511920]

約数ペア:

[(1, 55511920), (2, 27755960), (4, 13877980), (5, 11102384), (8, 6938990), (10, 5551192), (16, 3469495), (19, 2921680), (20, 2775596), (38, 1460840), (40, 1387798), (59, 940880), (76, 730420), (80, 693899), (95, 584336), (118, 470440), (152, 365210), (190, 292168), (236, 235220), (295, 188176), (304, 182605), (380, 146084), (472, 117610), (590, 94088), (619, 89680), (760, 73042), (944, 58805), (1121, 49520), (1180, 47044), (1238, 44840), (1520, 36521), (2242, 24760), (2360, 23522), (2476, 22420), (3095, 17936), (4484, 12380), (4720, 11761), (4952, 11210), (5605, 9904), (6190, 8968)]