51277960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 122760000

約数和(自身を除く): 71482040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 619, 760, 872, 1090, 1238, 2071, 2180, 2476, 3095, 4142, 4360, 4952, 6190, 8284, 10355, 11761, 12380, 16568, 20710, 23522, 24760, 41420, 47044, 58805, 67471, 82840, 94088, 117610, 134942, 235220, 269884, 337355, 470440, 539768, 674710, 1281949, 1349420, 2563898, 2698840, 5127796, 6409745, 10255592, 12819490, 25638980, 51277960]

約数ペア:

[(1, 51277960), (2, 25638980), (4, 12819490), (5, 10255592), (8, 6409745), (10, 5127796), (19, 2698840), (20, 2563898), (38, 1349420), (40, 1281949), (76, 674710), (95, 539768), (109, 470440), (152, 337355), (190, 269884), (218, 235220), (380, 134942), (436, 117610), (545, 94088), (619, 82840), (760, 67471), (872, 58805), (1090, 47044), (1238, 41420), (2071, 24760), (2180, 23522), (2476, 20710), (3095, 16568), (4142, 12380), (4360, 11761), (4952, 10355), (6190, 8284)]